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Commit 5a5e0f4c authored by Anton Vorontsov's avatar Anton Vorontsov Committed by Greg Kroah-Hartman
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kfifo: Don't use integer as NULL pointer 



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: default avatarAnton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: default avatarStefani Seibold <stefani@seibold.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 4c743d0a

include/linux/kfifo.h

+1 −1
Original line number Diff line number Diff line
@@ -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;

}



/**

kernel/kfifo.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

	}