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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace

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Pull si_code fix from Eric Biederman:
 "When sorting out the si_code ambiguity fcntl I accidentally overshot
  and included SIGPOLL as well. Ooops! This is my trivial fix for that.

  Vince Weaver caught this when it landed in your tree with his
  perf_event_tests many of which started failing because the si_code
  changed"

Quoth Vince Weaver:
 "I've tested with this patch applied and can confirm all of my tests
  now pass again"

Fixes: d08477aa97 ("fcntl: Don't use ambiguous SIG_POLL si_codes")

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
  fcntl: Don't set si_code to SI_SIGIO when sig == SIGPOLL
This commit is contained in:
Linus Torvalds 2017-09-19 17:07:18 -10:00
commit b8350cd004
1 changed files with 1 additions and 1 deletions
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2
fs/fcntl.c
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@ -749,7 +749,7 @@ static void send_sigio_to_task(struct task_struct *p,
* specific si_codes. In that case use SI_SIGIO instead
* to remove the ambiguity.
*/
if (sig_specific_sicodes(signum))
if ((signum != SIGPOLL) && sig_specific_sicodes(signum))
si.si_code = SI_SIGIO;
/* Make sure we are called with one of the POLL_*