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Fix ZERO_OR_NULL_PTR(ZERO_SIZE_PTR)

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The comparison with ZERO_SIZE_PTR in ZERO_OR_NULL_PTR() needs to be <=
(not just <) so that ZERO_OR_NULL_PTR(ZERO_SIZE_PTR) is 1.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
[ Duh!  - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Roland Dreier 2007-07-20 12:13:20 -07:00 committed by Linus Torvalds
parent efa7e8673c
commit 1d4ec7b1d6
1 changed files with 1 additions and 1 deletions
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2
include/linux/slab.h
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@ -40,7 +40,7 @@
*/ */
#define ZERO_SIZE_PTR ((void *)16) #define ZERO_SIZE_PTR ((void *)16)
#define ZERO_OR_NULL_PTR(x) ((unsigned long)(x) < \ #define ZERO_OR_NULL_PTR(x) ((unsigned long)(x) <= \
(unsigned long)ZERO_SIZE_PTR) (unsigned long)ZERO_SIZE_PTR)
/* /*