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| author | Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> | 2007-03-07 20:41:13 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-03-08 07:38:21 -0800 |
| commit | 0f97869df672f7f05ce3e8672ca42792d6df852b (patch) | |
| tree | d2db16212dd03af20ba1b25fd5fa1c4e6fb3d7fd | |
| parent | ec0ac8ad33189f81324948ee5dc72d3e1dc64682 (diff) | |
| download | linux-3.10-0f97869df672f7f05ce3e8672ca42792d6df852b.tar.gz linux-3.10-0f97869df672f7f05ce3e8672ca42792d6df852b.tar.bz2 linux-3.10-0f97869df672f7f05ce3e8672ca42792d6df852b.zip | |
[PATCH] uml: activate_fd: return ENOMEM only when appropriate
Avoid returning ENOMEM in case of a duplicate IRQ - ENOMEM was saved into err
earlier.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Acked-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | arch/um/kernel/irq.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c index 50a288bb875..dbf2f5bc842 100644 --- a/arch/um/kernel/irq.c +++ b/arch/um/kernel/irq.c @@ -142,6 +142,7 @@ int activate_fd(int irq, int fd, int type, void *dev_id) .events = events, .current_events = 0 } ); + err = -EBUSY; spin_lock_irqsave(&irq_lock, flags); for (irq_fd = active_fds; irq_fd != NULL; irq_fd = irq_fd->next) { if ((irq_fd->fd == fd) && (irq_fd->type == type)) { |