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-rw-r--r--include/linux/kfifo.h4
-rw-r--r--kernel/kfifo.c2
2 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/kfifo.h b/include/linux/kfifo.h
index 29f62e1733f..ad6bdf5a597 100644
--- a/include/linux/kfifo.h
+++ b/include/linux/kfifo.h
@@ -38,7 +38,7 @@ extern struct kfifo *kfifo_alloc(unsigned int size, gfp_t gfp_mask,
spinlock_t *lock);
extern void kfifo_free(struct kfifo *fifo);
extern unsigned int __kfifo_put(struct kfifo *fifo,
- unsigned char *buffer, unsigned int len);
+ const unsigned char *buffer, unsigned int len);
extern unsigned int __kfifo_get(struct kfifo *fifo,
unsigned char *buffer, unsigned int len);
@@ -77,7 +77,7 @@ static inline void kfifo_reset(struct kfifo *fifo)
* bytes copied.
*/
static inline unsigned int kfifo_put(struct kfifo *fifo,
- unsigned char *buffer, unsigned int len)
+ const unsigned char *buffer, unsigned int len)
{
unsigned long flags;
unsigned int ret;
diff --git a/kernel/kfifo.c b/kernel/kfifo.c
index 26539e3228e..3765ff3c1bb 100644
--- a/kernel/kfifo.c
+++ b/kernel/kfifo.c
@@ -117,7 +117,7 @@ EXPORT_SYMBOL(kfifo_free);
* writer, you don't need extra locking to use these functions.
*/
unsigned int __kfifo_put(struct kfifo *fifo,
- unsigned char *buffer, unsigned int len)
+ const unsigned char *buffer, unsigned int len)
{
unsigned int l;