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[PATCH] msdos partitions: fix logic error in AIX detection

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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>
This commit is contained in:
Olaf Hering 2007-02-10 01:45:48 -08:00 committed by Linus Torvalds
parent 4419d1ac7d
commit a470e18f53
1 changed files with 4 additions and 4 deletions
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8
fs/partitions/msdos.c
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@ -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++) {