The patch titled
Subject: kfifo: fix sparse complaints
has been added to the -mm tree. Its filename is
kfifo-fix-sparse-complains.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/kfifo-fix-sparse-complains.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/kfifo-fix-sparse-complains.patch
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------------------------------------------------------
From: Stefani Seibold <stefani@xxxxxxxxxxx>
Subject: kfifo: fix sparse complaints
This patch fix complaints by the sparse tool when using kfifo_put() with
non scalar types like structures (i.e. drivers/iio/industrialio-event.c).
Casting a pointer to the value and read this pointer instead of directly
casting the value will fix this.
The generated code is equal.
Signed-off-by: Stefani Seibold <stefani@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/kfifo.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN include/linux/kfifo.h~kfifo-fix-sparse-complains include/linux/kfifo.h
--- a/include/linux/kfifo.h~kfifo-fix-sparse-complains
+++ a/include/linux/kfifo.h
@@ -401,7 +401,7 @@ __kfifo_int_must_check_helper( \
((typeof(__tmp->type))__kfifo->data) : \
(__tmp->buf) \
)[__kfifo->in & __tmp->kfifo.mask] = \
- (typeof(*__tmp->type))__val; \
+ *(typeof(__tmp->type))&__val; \
smp_wmb(); \
__kfifo->in++; \
} \
_
Patches currently in -mm which might be from stefani@xxxxxxxxxxx are
kfifo-fix-sparse-complains.patch
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