From a120586873d3d64de93bd6d593d237e131994e58 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Wed, 6 Dec 2006 20:32:37 -0800 Subject: [PATCH] Allow NULL pointers in percpu_free The patch (as824b) makes percpu_free() ignore NULL arguments, as one would expect for a deallocation routine. (Note that free_percpu is #defined as percpu_free in include/linux/percpu.h.) A few callers are updated to remove now-unneeded tests for NULL. A few other callers already seem to assume that passing a NULL pointer to percpu_free() is okay! The patch also removes an unnecessary NULL check in percpu_depopulate(). Signed-off-by: Alan Stern Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- block/blktrace.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'block') diff --git a/block/blktrace.c b/block/blktrace.c index 74e02c04b2da..d3679dd1d220 100644 --- a/block/blktrace.c +++ b/block/blktrace.c @@ -394,8 +394,7 @@ err: if (bt) { if (bt->dropped_file) debugfs_remove(bt->dropped_file); - if (bt->sequence) - free_percpu(bt->sequence); + free_percpu(bt->sequence); if (bt->rchan) relay_close(bt->rchan); kfree(bt); -- cgit v1.2.3