[PATCH 3/3] kfifo: Don't use integer as NULL pointer

Anton Vorontsov
2010-01-27T14:09:54Z

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>
---
include/linux/kfifo.h | 2 +-
kernel/kfifo.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/kfifo.h b/include/linux/kfifo.h
index 6f6c5f3..bc0fc79 100644
--- a/include/linux/kfifo.h
+++ b/include/linux/kfifo.h
@@ -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;
}

/**
diff --git a/kernel/kfifo.c b/kernel/kfifo.c
index 3b00bf8..6d58e1a 100644
--- a/kernel/kfifo.c
+++ b/kernel/kfifo.c
@@ -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;
}

--
1.6.5.7