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Data read from a TTY can contain an embedded NUL byte (e.g. after
pressing Ctrl-2, or sent to a PTY). After the previous patch, the data
would be logged only up to the first NUL.
This patch modifies the AUDIT_TTY record to always use the hexadecimal
format, which does not terminate at the first NUL byte. The vast
majority of recorded TTY input data will contain either ' ' or '\n', so
the hexadecimal format would have been used anyway.
Signed-off-by: Miloslav Trmac <mitr@redhat.com>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
add_timer() is not supposed to be called when the timer is pending.
ip2 driver attempts to avoid that condition by setting and resetting
a flag (TimerOn) in timer function. But there is some gap between
add_timer() and setting TimerOn.
This patch fix this problem by using mod_timer() and remove TimerOn
which has been unnecessary by this change.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Cleanup of module_init/exit:
- mostly whitespace
- remove empty functions
- replace c++ comments
- remove useless prints (module loaded, unloaded)
- mark the calls as __exit and __init
- use break; and return; to save some indent levels after it
- note resource leakage
It's still mess, but now it's readable.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- do not init .bss zeroed data to zero again (by memset or
explicit assignment)
- use char [] instead of char * for string constants
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
It's pretty useless to have one setup() function separated along with
module_init() which only calls a function from ip2main anyway. Get rid
of ip2base.
Remove also checks of always-true now.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
board->base is increased for CF cards after mapping. Use board->base2
for unmapping the region, since it holds the original/correct address.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
readl/writel are not expected to accept iomap return value. Replace
bogus mapping by standard ioremap.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The call to put_tty_driver is out of place and is applied to the wrong
argument.
The function enclosing the patched code calls alloc_tty_driver and stores
the result in drv. Subsequently, there are two occurrences of error
handling code, one making a goto to put_tty and one making a goto to
stop_thread. At the point of the first one the assignment hvc_driver = drv
has not yet been executed, and from inspecting the rest of the file it
seems that hvc_driver would be NULL. Thus the current call to
put_tty_driver is useless, and one applied to drv is needed. The goto
stop_thread is in the error handling code for a call to
tty_register_driver, but the error cases in tty_register_driver do not free
its argument, so it should be done here. Thus, I have moved the put_tty
label after the stop_thread label, so that put_tty_driver is called in both
cases.
The semantic match that finds this problem is as follows:
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@r exists@
local idexpression x;
expression E,f;
position p1,p2,p3;
identifier l;
statement S;
@@
x = alloc_tty_driver@p1(...)
...
if (x == NULL) S
... when != E = x
when != put_tty_driver(x)
goto@p2 l;
... when != E = x
when != f(...,x,...)
when any
(
return \(0\|x\);
|
return@p3 ...;
)
@script:python@
p1 << r.p1;
p2 << r.p2;
p3 << r.p3;
@@
print "%s: call on line %s not freed or saved before return on line %s via line %s" % (p1[0].file,p1[0].line,p3[0].line,p2[0].line)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This merges in:
x86/build, x86/microcode, x86/spinlocks, x86/memory-corruption-check,
x86/early-printk, x86/xsave, x86/quirks, x86/setup, x86/signal,
core/signal, x86/urgent, x86/xen
* 'x86-core-v2-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (142 commits)
x86: make processor type select depend on CONFIG_EMBEDDED
x86: extend processor type select help text
x86, amd-iommu: propagate PCI device enabling error
warnings: fix arch/x86/kernel/io_apic_64.c
warnings: fix arch/x86/kernel/early_printk.c
x86, fpu: check __clear_user() return value
x86: memory corruption check - cleanup
x86: ioperm user_regset
xen: do not reserve 2 pages of padding between hypervisor and fixmap.
xen: use spin_lock_nest_lock when pinning a pagetable
x86: xsave: set FP, SSE bits in the xsave header in the user sigcontext
x86: xsave: fix error condition in save_i387_xstate()
x86: SB450: deprioritize DMI quirks
x86: SB450: skip IRQ0 override if it is not routed to INT2 of IOAPIC
x86: replace a magic number with a named constant in the VESA boot code
x86 setup: remove IMAGE_OFFSET
x86 setup: remove DEF_INITSEG and DEF_SETUPSEG
Revert "x86: fix ghost EDD devices in /sys again"
x86 setup: fix ghost entries under /sys/firmware/edd take 3
x86: signal: remove indent in restore_sigcontext()
...
* 'x86-v28-for-linus-phase2-B' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (27 commits)
x86, cpa: make the kernel physical mapping initialization a two pass sequence, fix
x86, pat: cleanups
x86: fix pagetable init 64-bit breakage
x86: track memtype for RAM in page struct
x86, cpa: srlz cpa(), global flush tlb after splitting big page and before doing cpa
x86, cpa: remove cpa pool code
x86, cpa: no need to check alias for __set_pages_p/__set_pages_np
x86, cpa: dont use large pages for kernel identity mapping with DEBUG_PAGEALLOC
x86, cpa: make the kernel physical mapping initialization a two pass sequence
x86, cpa: remove USER permission from the very early identity mapping attribute
x86, cpa: rename PTE attribute macros for kernel direct mapping in early boot
x86: make sure the CPA test code's use of _PAGE_UNUSED1 is obvious
linux-next: fix x86 tree build failure
x86: have set_memory_array_{uc,wb} coalesce memtypes, fix
agp: enable optimized agp_alloc_pages methods
x86: have set_memory_array_{uc,wb} coalesce memtypes.
x86: {reverve,free}_memtype() take a physical address
x86: fix pageattr-test
agp: add agp_generic_destroy_pages()
agp: generic_alloc_pages()
...
flushing the work queue in order to avoid a job being submitted after the
chip had been released.
Signed-off-by: Rajiv Andrade <srajiv@linux.vnet.ibm.com>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: "Serge E. Hallyn" <serue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Morris <jmorris@namei.org>
devices, so we implemented the .remove function for pnp ones. Since it's
code is very similar to the one inside tpm_dev_release, we've created a
helper function tpm_dev_vendor_release, which is called by both.
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Signed-off-by: Rajiv Andrade <srajiv@linux.vnet.ibm.com>
Cc: "Serge E. Hallyn" <serue@us.ibm.com>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Morris <jmorris@namei.org>
misc-char-dev-BKL-pushdown.patch, as they are not needed.
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Signed-off-by: Rajiv Andrade <srajiv@linux.vnet.ibm.com>
Cc: "Serge E. Hallyn" <serue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Morris <jmorris@namei.org>
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:
selinux: Fix an uninitialized variable BUG/panic in selinux_secattr_to_sid()
selinux: use default proc sid on symlinks
file capabilities: uninline cap_safe_nice
Update selinux info in MAINTAINERS and Kconfig help text
SELinux: add gitignore file for mdp script
SELinux: add boundary support and thread context assignment
securityfs: do not depend on CONFIG_SECURITY
selinux: add support for installing a dummy policy (v2)
security: add/fix security kernel-doc
selinux: Unify for- and while-loop style
selinux: conditional expression type validation was off-by-one
smack: limit privilege by label
SELinux: Fix a potentially uninitialised variable in SELinux hooks
SELinux: trivial, remove unneeded local variable
SELinux: Trivial minor fixes that change C null character style
make selinux_write_opts() static
On x86 systems with CONFIG_HPET_TIMER enabled, when
the HPET driver (drivers/char/hpet.c) is loaded,
an incorrect busy message is printed when the driver
initializes since the HPET has already been allocated
by the core timer code. Remove the warning message.
Signed-off-by: David John <davidjon@xenontk.org>
Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
* Implement disk_devt() and part_devt() and use them to directly
access devt instead of computing it from ->major and ->first_minor.
Note that all references to ->major and ->first_minor outside of
block layer is used to determine devt of the disk (the part0) and as
->major and ->first_minor will continue to represent devt for the
disk, converting these users aren't strictly necessary. However,
convert them for consistency.
* Implement disk_max_parts() to avoid directly deferencing
genhd->minors.
* Update bdget_disk() such that it doesn't assume consecutive minor
space.
* Move devt computation from register_disk() to add_disk() and make it
the only one (all other usages use the initially determined value).
These changes clean up the code and will help disk->part dereference
fix and extended block device numbers.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
The tty_find_polling_driver() routine did not correctly check the base
part of the tty name. This can lead to kgdboc selecting an incorrect
driver, as well as accepting a completely invalid tty such as "echo
ffff0 > /sys/module/kgdboc/parameters/kgdboc".
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Now that arch/ppc is dead CONFIG_PPC_MERGE is always defined for all
powerpc platforms and we want to get rid of CONFIG_PPC_MERGE use
CONFIG_PPC instead.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Fix a bug reported by and diagnosed by Aaron Straus.
This is a regression intruduced into 2.6.26 by
commit adc782dae6c4c0f6fb679a48a544cfbcd79ae3dc
Author: Matt Mackall <mpm@selenic.com>
Date: Tue Apr 29 01:03:07 2008 -0700
random: simplify and rename credit_entropy_store
credit_entropy_bits() does:
spin_lock_irqsave(&r->lock, flags);
...
if (r->entropy_count > r->poolinfo->POOLBITS)
r->entropy_count = r->poolinfo->POOLBITS;
so there is a time window in which this BUG_ON():
static size_t account(struct entropy_store *r, size_t nbytes, int min,
int reserved)
{
unsigned long flags;
BUG_ON(r->entropy_count > r->poolinfo->POOLBITS);
/* Hold lock while accounting */
spin_lock_irqsave(&r->lock, flags);
can trigger.
We could fix this by moving the assertion inside the lock, but it seems
safer and saner to revert to the old behaviour wherein
entropy_store.entropy_count at no time exceeds
entropy_store.poolinfo->POOLBITS.
Reported-by: Aaron Straus <aaron@merfinllc.com>
Cc: Matt Mackall <mpm@selenic.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: <stable@kernel.org> [2.6.26.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Since we're just parsing the tuple being passed to this function, we don't
need any device-specific information.
Also, remove the call to pcmcia_validate_cis() from pcmciamtd.c, since it
is already called by the PCMCIA core.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
16-bit PCMCIA device handling function definitions are moved to ds.h,
internal definitions to cs_internal.h.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Add a new Kconfig option SECURITYFS which will build securityfs support
but does not require CONFIG_SECURITY. The only current user of
securityfs does not depend on CONFIG_SECURITY and there is no reason the
full LSM needs to be built to build this fs.
Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
Kanru Chen posted a patch versus the old code which deals with the case
where you resize the pty side of a pty/tty pair. In that situation the
termios data is updated for both pty and tty but the locks are not held
for the right side.
This implements the fix differently against the updated tty code. Patch
by self but the hard bit (noticing and fixing the bug) is thanks to Kanru
Chen.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The termios settings ioctls on a pty should affect the bound tty side not
the pty. The SOFTCAR ioctls use the wrong device file.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This patch lets the files using linux/version.h match the files that
#include it.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Instead of using own error or success codes, the PCMCIA code should rely on
the generic return values. Therefore, replace all occurrences of CS_SUCCESS
with 0.
CC: netdev@vger.kernel.org
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Remove the three remaining pcmcia_get_configuration_info() users:
- pcmciamtd is marked broken anyway.
- serial_cs.c can access the relevant structs directly
- ipwireless didn't use the output
CC: linux-serial@vger.kernel.org
CC: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
