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sysctl: add sanity check for proc_douintvec

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Commit e7d316a02f ("sysctl: handle error writing UINT_MAX to u32
fields") introduced the proc_douintvec helper function, but it forgot to
add the related sanity check when doing register_sysctl_table.  So add
it now.

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 23:51:05 +08:00 committed by Linus Torvalds
parent 269c930e66
commit 1680a3868f
1 changed files with 1 additions and 0 deletions
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fs/proc/proc_sysctl.c
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@ -1074,6 +1074,7 @@ static int sysctl_check_table(const char *path, struct ctl_table *table)
if ((table->proc_handler == proc_dostring) ||
(table->proc_handler == proc_dointvec) ||
(table->proc_handler == proc_douintvec) ||
(table->proc_handler == proc_dointvec_minmax) ||
(table->proc_handler == proc_dointvec_jiffies) ||
(table->proc_handler == proc_dointvec_userhz_jiffies) ||