Alexey Dobriyan 6a6cbe75db proc: simpler iterations for /proc/*/cmdline ...

"rv" variable is used both as a counter of bytes transferred and an
error value holder but it can be reduced solely to error values if
original start of userspace buffer is stashed and used at the very end.

[akpm@linux-foundation.org: simplify cleanup code]
Link: http://lkml.kernel.org/r/20180221193009.GA28678@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2018-06-07 17:34:38 -07:00

..

array.c

Merge branch 'for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

2018-06-05 17:31:33 -07:00

base.c

proc: simpler iterations for /proc/*/cmdline

2018-06-07 17:34:38 -07:00

cmdline.c

proc: introduce proc_create_single{,_data}

2018-05-16 07:23:35 +02:00

consoles.c

proc: introduce proc_create_seq{,_data}

2018-05-16 07:23:35 +02:00

cpuinfo.c

x86 / CPU: Always show current CPU frequency in /proc/cpuinfo

2017-11-15 19:46:50 +01:00

devices.c

proc: introduce proc_create_seq{,_data}

2018-05-16 07:23:35 +02:00

fd.c

procfs: switch instantiate_t to d_splice_alias()

2018-05-26 14:20:50 -04:00

fd.h

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

generic.c

Merge branch 'work.lookup' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

2018-06-04 13:46:22 -07:00

inode.c

proc: move "struct proc_dir_entry" into kmem cache

2018-04-11 10:28:34 -07:00

internal.h

Merge branch 'for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

2018-06-05 17:31:33 -07:00

interrupts.c

proc: introduce proc_create_seq{,_data}

2018-05-16 07:23:35 +02:00

Kconfig

vmcore: add API to collect hardware dump in second kernel

2018-05-14 13:46:04 -04:00

kcore.c

proc/kcore: don't bounds check against address 0

2018-05-11 17:28:45 -07:00

kmsg.c

vfs: do bulk POLL* -> EPOLL* replacement

2018-02-11 14:34:03 -08:00

loadavg.c

proc: introduce proc_create_single{,_data}

2018-05-16 07:23:35 +02:00

Makefile

proc: : uninline name_to_int()

2017-11-17 16:10:00 -08:00

meminfo.c

proc: introduce proc_create_single{,_data}

2018-05-16 07:23:35 +02:00

namespaces.c

procfs: switch instantiate_t to d_splice_alias()

2018-05-26 14:20:50 -04:00

nommu.c

proc: introduce proc_create_seq{,_data}

2018-05-16 07:23:35 +02:00

page.c

mm: mark pages in use for page tables

2018-06-07 17:34:37 -07:00

proc_net.c

proc: introduce proc_create_net_single

2018-05-16 07:24:30 +02:00

proc_sysctl.c

switch the rest of procfs lookups to d_splice_alias()

2018-05-26 14:20:50 -04:00

proc_tty.c

tty: replace ->proc_fops with ->proc_show

2018-05-16 07:24:30 +02:00

root.c

proc: use slower rb_first()

2018-04-11 10:28:34 -07:00

self.c

proc: introduce a proc_pid_ns helper

2018-05-16 07:23:35 +02:00

softirqs.c

proc: introduce proc_create_single{,_data}

2018-05-16 07:23:35 +02:00

stat.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

task_mmu.c

mm: /proc/pid/pagemap: hide swap entries from unprivileged users

2018-06-07 17:34:36 -07:00

task_nommu.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

thread_self.c

proc: introduce a proc_pid_ns helper

2018-05-16 07:23:35 +02:00

uptime.c

proc: introduce proc_create_single{,_data}

2018-05-16 07:23:35 +02:00

util.c

proc: use do-while in name_to_int()

2017-11-17 16:10:00 -08:00

version.c

proc: introduce proc_create_single{,_data}

2018-05-16 07:23:35 +02:00

vmcore.c

vmcore: move get_vmcore_size out of __init

2018-05-21 12:34:22 -04:00