[patch] fix panic when swsusp signature can't be read

[Pavel Machek <pavel@ucw.cz>]

Do not panic a machine when swsusp signature can't be read.

From: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Pavel Machek <pavel@suse.cz>

---
commit 05f70501240c6ad5f852f13c187ee55579ad7bb8
tree 1a8e0dcdc2b19c5fb782e2fb95b39af59f7c353e
parent cb0a153122dfc556ca94d0b5dc0e06813b152539
author <pavel@amd.ucw.cz> Sat, 08 Jul 2006 14:22:36 +0200
committer <pavel@amd.ucw.cz> Sat, 08 Jul 2006 14:22:36 +0200

 kernel/power/swap.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index 044b8e0..7d5dd97 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -311,8 +311,10 @@ static atomic_t io_done = ATOMIC_INIT(0)
 
 static int end_io(struct bio *bio, unsigned int num, int err)
 {
-	if (!test_bit(BIO_UPTODATE, &bio->bi_flags))
-		panic("I/O error reading memory image");
+	if (!test_bit(BIO_UPTODATE, &bio->bi_flags)) {
+		printk(KERN_ERR "I/O error reading swsusp image.\n"); 
+		return -EIO;
+	}
 	atomic_set(&io_done, 0);
 	return 0;
 }

-- 
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(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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