linux-kernel - [PATCH] identify_ramdisk_image(): correct typo about return value in comment

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Date:	Tue, 19 Aug 2008 15:47:46 +0200 (CEST)
From:	Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
cc:	Linux Kernel Development <linux-kernel@...r.kernel.org>
Subject: [PATCH] identify_ramdisk_image(): correct typo about return value
 in comment

identify_ramdisk_image() returns 0 (not -1) if a gzipped ramdisk is found:

	if (buf[0] == 037 && ((buf[1] == 0213) || (buf[1] == 0236))) {
		printk(KERN_NOTICE
		       "RAMDISK: Compressed image found at block %d\n",
		       start_block);
		nblocks = 0;
		^^^^^^^^^^^
		goto done;
	}

	...

done:
	sys_lseek(fd, start_block * BLOCK_SIZE, 0);
	kfree(buf);
	return nblocks;
	^^^^^^^^^^^^^^

Hence correct the typo in the comment, which has existed since the addition of
compressed ramdisk support in 1.3.48.

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>

diff --git a/init/do_mounts_rd.c b/init/do_mounts_rd.c
index fedef93..a7c748f 100644
--- a/init/do_mounts_rd.c
+++ b/init/do_mounts_rd.c
@@ -71,7 +71,7 @@ identify_ramdisk_image(int fd, int start_block)
 	sys_read(fd, buf, size);
 
 	/*
-	 * If it matches the gzip magic numbers, return -1
+	 * If it matches the gzip magic numbers, return 0
 	 */
 	if (buf[0] == 037 && ((buf[1] == 0213) || (buf[1] == 0236))) {
 		printk(KERN_NOTICE

With kind regards,

Geert Uytterhoeven
Software Architect

Sony Techsoft Centre Europe
The Corporate Village · Da Vincilaan 7-D1 · B-1935 Zaventem · Belgium

Phone:    +32 (0)2 700 8453
Fax:      +32 (0)2 700 8622
E-mail:   Geert.Uytterhoeven@...ycom.com
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