The patch titled
Subject: kernel/sysctl.c: remove duplicate UINT_MAX check on do_proc_douintvec_conv()
has been added to the -mm tree. Its filename is
sysctl-remove-duplicate-uint_max-check-on-do_proc_douintvec_conv.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/sysctl-remove-duplicate-uint_max-check-on-do_proc_douintvec_conv.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/sysctl-remove-duplicate-uint_max-check-on-do_proc_douintvec_conv.patch
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------------------------------------------------------
From: "Luis R. Rodriguez" <mcgrof@xxxxxxxxxx>
Subject: kernel/sysctl.c: remove duplicate UINT_MAX check on do_proc_douintvec_conv()
do_proc_douintvec_conv() has two UINT_MAX checks, we can remove one. This
has no functional changes other than fixing a compiler warning:
kernel/sysctl.c:2190]: (warning) Identical condition '*lvalp>UINT_MAX', second condition is always false
Fixes: 4f2fec00afa60 ("sysctl: simplify unsigned int support")
Link: http://lkml.kernel.org/r/20170919072918.12066-1-mcgrof@xxxxxxxxxx
Signed-off-by: Luis R. Rodriguez <mcgrof@xxxxxxxxxx>
Reported-by: David Binderman <dcb314@xxxxxxxxxxx>
Acked-by: Kees Cook <keescook@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/sysctl.c | 2 --
1 file changed, 2 deletions(-)
diff -puN kernel/sysctl.c~sysctl-remove-duplicate-uint_max-check-on-do_proc_douintvec_conv kernel/sysctl.c
--- a/kernel/sysctl.c~sysctl-remove-duplicate-uint_max-check-on-do_proc_douintvec_conv
+++ a/kernel/sysctl.c
@@ -2187,8 +2187,6 @@ static int do_proc_douintvec_conv(unsign
if (write) {
if (*lvalp > UINT_MAX)
return -EINVAL;
- if (*lvalp > UINT_MAX)
- return -EINVAL;
*valp = *lvalp;
} else {
unsigned int val = *valp;
_
Patches currently in -mm which might be from mcgrof@xxxxxxxxxx are
sysctl-remove-duplicate-uint_max-check-on-do_proc_douintvec_conv.patch
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