From: Linus Torvalds <torvalds@osdl.org>
Date: Mon, 10 Jul 2006 11:45:01 +0000 (-0700)
Subject: [PATCH] swsusp: fix panic when signature can't be read
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=aeceb15738958fe59cd9fe537f40317b1a3bc731;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

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

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

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

diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index a57c661c7e8..f1dd146bd64 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;
 }