during iterating over a scatterlist table also need to check for NULL along with number of scatterlist
Signed-off-by: Rajnikant Bhojani <rajnikant.bhoj...@sibridgetech.com> --- include/linux/scatterlist.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h index cb3c8fe..f8dce12 100644 --- a/include/linux/scatterlist.h +++ b/include/linux/scatterlist.h @@ -146,7 +146,7 @@ static inline void sg_set_buf(struct scatterlist *sg, const void *buf, * Loop over each sg element, following the pointer to a new list if necessary */ #define for_each_sg(sglist, sg, nr, __i) \ - for (__i = 0, sg = (sglist); __i < (nr); __i++, sg = sg_next(sg)) + for (__i = 0, sg = (sglist); __i < (nr) && sg; __i++, sg = sg_next(sg)) /** * sg_chain - Chain two sglists together -- 2.7.4
