diff options
| -rw-r--r-- | lib/scatterlist.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/scatterlist.c b/lib/scatterlist.c index 129a82f707d..a685c8a7957 100644 --- a/lib/scatterlist.c +++ b/lib/scatterlist.c @@ -247,13 +247,15 @@ int __sg_alloc_table(struct sg_table *table, unsigned int nents, struct scatterlist *sg, *prv; unsigned int left; + memset(table, 0, sizeof(*table)); + + if (nents == 0) + return -EINVAL; #ifndef ARCH_HAS_SG_CHAIN if (WARN_ON_ONCE(nents > max_ents)) return -EINVAL; #endif - memset(table, 0, sizeof(*table)); - left = nents; prv = NULL; do { |