kfifo: Use "const" definitions
Currently kfifo cannot be used by parts of the kernel that use "const"
properly as kfifo itself does not use const for passed data blocks which
are indeed const.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/kernel/kfifo.c b/kernel/kfifo.c
index 26539e3..3765ff3 100644
--- a/kernel/kfifo.c
+++ b/kernel/kfifo.c
@@ -117,7 +117,7 @@
* 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;