diff options
Diffstat (limited to 'crypto/scatterwalk.c')
| -rw-r--r-- | crypto/scatterwalk.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/crypto/scatterwalk.c b/crypto/scatterwalk.c index b9bbda0bb9f..9aeeb52004a 100644 --- a/crypto/scatterwalk.c +++ b/crypto/scatterwalk.c @@ -13,6 +13,8 @@ * any later version. * */ + +#include <crypto/scatterwalk.h> #include <linux/kernel.h> #include <linux/mm.h> #include <linux/module.h> @@ -20,9 +22,6 @@ #include <linux/highmem.h> #include <linux/scatterlist.h> -#include "internal.h" -#include "scatterwalk.h" - static inline void memcpy_dir(void *buf, void *sgdata, size_t nbytes, int out) { void *src = out ? buf : sgdata; @@ -106,6 +105,9 @@ void scatterwalk_map_and_copy(void *buf, struct scatterlist *sg, struct scatter_walk walk; unsigned int offset = 0; + if (!nbytes) + return; + for (;;) { scatterwalk_start(&walk, sg); @@ -113,7 +115,7 @@ void scatterwalk_map_and_copy(void *buf, struct scatterlist *sg, break; offset += sg->length; - sg = sg_next(sg); + sg = scatterwalk_sg_next(sg); } scatterwalk_advance(&walk, start - offset); |