sg_last() should use unsigned loop index variable
Clean up: fix a mixed sign comparison in sg_last() accidentally
introduced by commit 70eb8040. The sign of the loop index variable
should match the sign of the "nents" argument.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Jens Axboe <axboe@carl.home.kernel.dk>
diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h
index b2ec842..19b751a 100644
--- a/include/linux/scatterlist.h
+++ b/include/linux/scatterlist.h
@@ -150,7 +150,7 @@
struct scatterlist *ret = &sgl[nents - 1];
#else
struct scatterlist *sg, *ret = NULL;
- int i;
+ unsigned int i;
for_each_sg(sgl, sg, nents, i)
ret = sg;