linux-kernel - [PATCH 10/11] uml - activate_fd: return ENOMEM only when appropriate

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Message-Id: <20070305204909.9072.33957.stgit@americanbeauty.home.lan>
Date:	Mon, 05 Mar 2007 21:49:09 +0100
From:	Paolo 'Blaisorblade' Giarrusso <blaisorblade@...oo.it>
To:	Andrew Morton <akpm@...l.org>
Cc:	Jeff Dike <jdike@...toit.com>, linux-kernel@...r.kernel.org,
	user-mode-linux-devel@...ts.sourceforge.net
Subject: [PATCH 10/11] uml - activate_fd: return ENOMEM only when appropriate

From: Paolo 'Blaisorblade' Giarrusso <blaisorblade@...oo.it>

Avoid returning ENOMEM in case of a duplicate IRQ - ENOMEM was saved into err
earlier.

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@...oo.it>
---

 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 50a288b..dbf2f5b 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)) {


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