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After the commit 91d435f replaced _malloc with kmalloc, smatch picked up a
couple of new warnings. This fixes the warning:
warn: returning -1 instead of -ENOMEM is sloppy
Signed-off-by: Vitaly Osipov <vitaly.osipov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
After the commit 91d435f replaced _malloc with kmalloc, smatch picked up a
couple of new warnings. This fixes warnings:
warn: struct type mismatch 'writePTM_parm vs setdig_parm'
warn: struct type mismatch 'writePTM_parm vs setra_parm'
The difference is u8 vs unsigned char.
Signed-off-by: Vitaly Osipov <vitaly.osipov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch removes all usage of _malloc() and the function itself. Most
uses are straightforward replacements by kmalloc(..., GFP_ATOMIC),
because this was the definition of _malloc(). In a few places it
was possible to use kzalloc() or memdup_user.
A further improvement would be to replace GFP_ATOMIC with GFP_KERNEL
where possible.
Verified by compilation only.
Initial replacement done by running a Coccinelle script along the lines
of:
@@
type T;
expression E;
identifier V;
@@
- V = (T) _malloc(E);
+ V = kmalloc(E, GFP_ATOMIC);
@@
expression E, E1;
@@
- E1 = _malloc(E);
+ E1 = kmalloc(E, GFP_ATOMIC);
Signed-off-by: Vitaly Osipov <vitaly.osipov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch remove variables that are initialized with a constant,
are never updated, and are only used as parameter of return.
Return the constant instead of using a variable.
Verified by compilation only.
The coccinelle script that find and fixes this issue is:
// <smpl>
@@
type T;
constant C;
identifier ret;
@@
- T ret = C;
... when != ret
- return ret;
+ return C;
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There is otherwise a risk of a possible null pointer dereference.
Was largely found by using a static code analysis program called cppcheck.
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit fixes the following checkpatch warning:
rtl8712/rtl871x_security.c
- 1178: WARNING: Avoid unnecessary line continuations
Signed-off-by: Marcus Farkas <marcus.farkas@finitebox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit fixes the following checkpatch warnings:
rtl8712/rtl871x_security.c
- 1167: WARNING: Unnecessary parentheses - maybe == should be = ?
- 1374: WARNING: Unnecessary parentheses - maybe == should be = ?
Signed-off-by: Marcus Farkas <marcus.farkas@finitebox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit fixes the following checkpatch warnings:
rtl8712/rtl871x_security.c
- 275: WARNING: Missing a blank line after declarations
- 768: WARNING: Missing a blank line after declarations
- 801: WARNING: Missing a blank line after declarations
Signed-off-by: Marcus Farkas <marcus.farkas@finitebox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix potential leaks in the error paths of r8712_set_key(). In case the
algorithm specific checks fail, the function returns without enqueuing
or freeing the already allocated command and parameter structs. Use a
centralized exit path and make sure that all memory is freed correctly.
Detected by Coverity - CID 144370, 144371.
Signed-off-by: Christian Engelmayer <cengelma@gmx.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix a potential leak in the error path of r871x_wx_set_enc_ext(). In case the
requested algorithm is not supported by the driver, the function returns
without freeing the already allocated 'param' struct. Move the input
verification to the beginning of the function so that the direct return is
safe. Detected by Coverity - CID 144373.
Signed-off-by: Christian Engelmayer <cengelma@gmx.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Zero-initializing ether_type masked that the ether type would never be
obtained for 8021x packets and the comparison against eapol_type
would always fail.
Reported-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix checkpatch.pl issues with multiple spaces after return type in
drv_types.h
Signed-off-by: Gulsah Kose <gulsah.1004@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix checkpatch.pl issues with
line over 80 characters in osdep_service.h
Signed-off-by: Aybuke Ozdemir <aybuke.147@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch solves the warning: "space prohibited before semicolon".
Signed-off-by: Andreea-Cristina Bernat <bernat.ada@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Remove unnecessary parentheses from rtl871x_cmd.c
Signed-off-by: Gulsah Kose <gulsah.1004@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Testing for "if (IS_ERR(padapter->cmdThread) < 0)" doesn't make sense.
The kthread_run() function returns error pointers on error pointers on
error so it should just be "if (IS_ERR(padapter->cmdThread))".
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
These set off a static checker warning about "warn: add curly braces?",
but actually the code it correct, it's just the indenting which is
wrong.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
A number of Kconfig entries default to (uppercase) "N". It was clearly
intended to use "default n". But since (lowercase) "n" is the default
anyway, these lines might as well be removed.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
On success, the function netdev_alloc_skb initializes the dev field of its
result to its first argument, so this doesn't have to be done in the
calling context.
The semantic patch that fixes this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
expression skb,privn,e;
@@
skb = netdev_alloc_skb(privn,...);
... when strict
(
-skb->dev = privn;
|
?skb = e
)
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The latest version of NetworkManager does not recognize the device as wireless
without this change.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
None of these files are actually using any __init type directives
and hence don't need to include <linux/init.h>. Most are just a
left over from __devinit and __cpuinit removal, or simply due to
code getting copied from one driver to the next.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Resolve all of the 'WARNING: space prohibited before semicolon'
checkpatch warnings for rtl8712.
Signed-off-by: Thomas Cort <linuxgeek@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We knew "peventbuf" was a valid pointer and "peventbuf + 2" is also
non-NULL. I have removed the check.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There is a nice helper to parse MAC. Let's use it and remove custom
implementation.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
MAC respresentation should follow standard form.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Calling kthread_run with a single name parameter causes it to be handled
as a format string. Many callers are passing potentially dynamic string
content, so use "%s" in those cases to avoid any potential accidents.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Same result no matter what path is taken.
Signed-off-by: Niklas Söderlund <niso@kth.se>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There is no implementation of these functions anywhere in the code.
Signed-off-by: Niklas Söderlund <niso@kth.se>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
I've changed the ugly casting here and used min_t() instead. I
also changed the u16 to a u32 because ->network.Ssid.SsidLength
is 32 bits. It doesn't make a difference, but truncating the
upper bits away is sloppy.
Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace printk with netdev_printk helpers, dev_printk helpers or
pr_err/warn/info if there is no device info available.
Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Those definitions are not used anywhere in the kernel. If you know any
reason why they should stay in the code please speak up!
Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Clean some trivial formating problems in rtl8712 from staging tree. This patch
also changes the way preprocessor macros are defined to keep checkpatch.pl
quiet.
Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
These calls are followed by calls to memcpy() on the same memory area, so they
can be safely removed.
Signed-off-by: Cyril Roelandt <tipecaml@gmail.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This is to get the comedi fixes, and resolve the issue in comdi_test.c
and comedi_fops.c that were caused by changes in both branches.
It also allows the fwserial driver changes to be applied, as they
required the fixes that are in staging-linus.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In r8711_wx_get_wap(), make sure we do not call memcpy() on a memory area that
has just been zeroed by a call to memset().
Signed-off-by: Cyril Roelandt <tipecaml@gmail.com>
Acked-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The ISY IWL 1000 USB WLAN stick with USB ID 050d:11f1 is a clone of
the Belkin F7D1101 V1 device.
Reported-by: Thomas Hartmann <hartmann@ict.tuwien.ac.at>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Thomas Hartmann <hartmann@ict.tuwien.ac.at>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In routine r8712_report_sec_ie(), the code could set the length
of the buffer to 256; however, that value is one larger than the
corresponding memory allocation.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This seems like a cut and paste bug. Smatch complains that we don't
allocate enough memory for a set_stakey_rsp struct. In fact this is
used as a set_assocsta_rsp struct throughout and that also matches the
name of the function.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The dereference should be moved below the NULL test.
dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Some post-3.4 kernels have a problem when a cloned skb is used in the
RX path. This patch handles one such case for r8712u.
The patch was suggested by Eric Dumazet.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org> [v3.4+]
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fixes the following errors:
drivers/staging/rtl8712/rtl871x_security.c:61: ERROR: "foo * bar" should
be "foo *bar"
drivers/staging/rtl8712/rtl871x_security.c:291: ERROR: "foo * bar"
should be "foo *bar"
drivers/staging/rtl8712/rtl871x_security.c:323: ERROR: "foo * bar"
should be "foo *bar"
drivers/staging/rtl8712/rtl871x_security.c:1371: ERROR: "(foo*)" should
be "(foo *)"
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
