Commit 7833819d authored Nov 12, 2013 by Chen Gang Committed by Linus Torvalds Nov 13, 2013

kernel/sysctl.c: check return value after call proc_put_char() in __do_proc_doulongvec_minmax()



Need to check the return value of proc_put_char(), as was done in
__do_proc_doulongvec_minmax().

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 1310a5a9

kernel/sysctl.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -2222,8 +2222,11 @@ static int __do_proc_doulongvec_minmax(void data, struct ctl_table table, int
		*i = val;
		} else {
		val = convdiv * (*i) / convmul;
		if (!first)
		if (!first) {
		err = proc_put_char(&buffer, &left, '\t');
		if (err)
		break;
		}
		err = proc_put_long(&buffer, &left, val, false);
		if (err)
		break;