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[PATCH] uml: activate_fd: return ENOMEM only when appropriate

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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>
This commit is contained in:
Paolo 'Blaisorblade' Giarrusso 2007-03-07 20:41:13 -08:00 committed by Linus Torvalds
parent ec0ac8ad33
commit 0f97869df6
1 changed files with 1 additions and 0 deletions
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arch/um/kernel/irq.c
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@ -142,6 +142,7 @@ int activate_fd(int irq, int fd, int type, void *dev_id)
.events = events, .events = events,
.current_events = 0 } ); .current_events = 0 } );
err = -EBUSY;
spin_lock_irqsave(&irq_lock, flags); spin_lock_irqsave(&irq_lock, flags);
for (irq_fd = active_fds; irq_fd != NULL; irq_fd = irq_fd->next) { for (irq_fd = active_fds; irq_fd != NULL; irq_fd = irq_fd->next) {
if ((irq_fd->fd == fd) && (irq_fd->type == type)) { if ((irq_fd->fd == fd) && (irq_fd->type == type)) {