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authorOlaf Hering <olh@suse.de>2007-02-10 01:45:48 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-11 10:51:31 -0800
commita470e18f53940e7bd07b09f01c0970f653e268bf (patch)
treef4fcb0ff6d4fdc6ebcf30f196fd9c5107bde0e2e /fs/partitions
parent4419d1ac7def3c2f74cab15e4a1c69cffcaadedd (diff)
[PATCH] msdos partitions: fix logic error in AIX detection
Correct the AIX magic check to let 'echo > /dev/sdb' actually work. Signed-off-by: Olaf Hering <olh@suse.de> Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: Anton Blanchard <anton@samba.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/partitions')
-rw-r--r--fs/partitions/msdos.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/partitions/msdos.c b/fs/partitions/msdos.c
index dafd3b6b2dc..78443e07b3c 100644
--- a/fs/partitions/msdos.c
+++ b/fs/partitions/msdos.c
@@ -68,10 +68,10 @@ static int aix_magic_present(unsigned char *p, struct block_device *bdev)
unsigned char *d;
int slot, ret = 0;
- if (p[0] != AIX_LABEL_MAGIC1 &&
- p[1] != AIX_LABEL_MAGIC2 &&
- p[2] != AIX_LABEL_MAGIC3 &&
- p[3] != AIX_LABEL_MAGIC4)
+ if (!(p[0] == AIX_LABEL_MAGIC1 &&
+ p[1] == AIX_LABEL_MAGIC2 &&
+ p[2] == AIX_LABEL_MAGIC3 &&
+ p[3] == AIX_LABEL_MAGIC4))
return 0;
/* Assume the partition table is valid if Linux partitions exists */
for (slot = 1; slot <= 4; slot++, pt++) {