Commit 54640d23 authored Sep 18, 2017 by Eric W. Biederman

fcntl: Don't set si_code to SI_SIGIO when sig == SIGPOLL



When fixing things to avoid ambiguous cases I had a thinko
and included SIGPOLL/SIGIO in with all of the other signals
that have signal specific si_codes.  Which is completely wrong.

Fix that.

Reported-by: Vince Weaver <vincent.weaver@maine.edu>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>

parent 2bd6bf03

fs/fcntl.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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_*