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kfifo: Don't use integer as NULL pointer

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This patch fixes following sparse warnings:

include/linux/kfifo.h:127:25: warning: Using plain integer as NULL pointer
kernel/kfifo.c:83:21: warning: Using plain integer as NULL pointer

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Stefani Seibold <stefani@seibold.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Anton Vorontsov 2010-01-27 17:09:38 +03:00 committed by Greg Kroah-Hartman
parent 4c743d0ae6
commit 5a5e0f4c70
2 changed files with 2 additions and 2 deletions
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2
include/linux/kfifo.h
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@ -124,7 +124,7 @@ extern __must_check unsigned int kfifo_out_peek(struct kfifo *fifo,
*/
static inline bool kfifo_initialized(struct kfifo *fifo)
{
return fifo->buffer != 0;
return fifo->buffer != NULL;
}
/**

2
kernel/kfifo.c
View File

@ -80,7 +80,7 @@ int kfifo_alloc(struct kfifo *fifo, unsigned int size, gfp_t gfp_mask)
buffer = kmalloc(size, gfp_mask);
if (!buffer) {
_kfifo_init(fifo, 0, 0);
_kfifo_init(fifo, NULL, 0);
return -ENOMEM;
}