FEX-Emu/linux
1
0
Fork 0
mirror of https://github.com/FEX-Emu/linux.git synced 2024-12-25 19:07:46 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

sysctl: don't print negative flag for proc_douintvec

Browse Source 
I saw some very confusing sysctl output on my system:
  # cat /proc/sys/net/core/xfrm_aevent_rseqth
  -2
  # cat /proc/sys/net/core/xfrm_aevent_etime
  -10
  # cat /proc/sys/net/ipv4/tcp_notsent_lowat
  -4294967295

Because we forget to set the *negp flag in proc_douintvec, so it will
become a garbage value.

Since the value related to proc_douintvec is always an unsigned integer,
so we can set *negp to false explictily to fix this issue.

Fixes: e7d316a02f ("sysctl: handle error writing UINT_MAX to u32 fields")
Signed-off-by: Liping Zhang <zlpnobody@gmail.com>
Cc: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Liping Zhang 2017-04-07 23:51:06 +08:00 committed by Linus Torvalds
parent 1680a3868f
commit 5380e5644a
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
kernel/sysctl.c
View File

@ -2136,6 +2136,7 @@ static int do_proc_douintvec_conv(bool *negp, unsigned long *lvalp,
*valp = *lvalp;
} else {
unsigned int val = *valp;
*negp = false;
*lvalp = (unsigned long)val;
}
return 0;