aboutsummaryrefslogtreecommitdiffstats
path: root/lib/scatterlist.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/scatterlist.c')
-rw-r--r--lib/scatterlist.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/lib/scatterlist.c b/lib/scatterlist.c
index a5ec42868f99..4ceb05d772ae 100644
--- a/lib/scatterlist.c
+++ b/lib/scatterlist.c
@@ -248,8 +248,18 @@ int __sg_alloc_table(struct sg_table *table, unsigned int nents,
248 left -= sg_size; 248 left -= sg_size;
249 249
250 sg = alloc_fn(alloc_size, gfp_mask); 250 sg = alloc_fn(alloc_size, gfp_mask);
251 if (unlikely(!sg)) 251 if (unlikely(!sg)) {
252 return -ENOMEM; 252 /*
253 * Adjust entry count to reflect that the last
254 * entry of the previous table won't be used for
255 * linkage. Without this, sg_kfree() may get
256 * confused.
257 */
258 if (prv)
259 table->nents = ++table->orig_nents;
260
261 return -ENOMEM;
262 }
253 263
254 sg_init_table(sg, alloc_size); 264 sg_init_table(sg, alloc_size);
255 table->nents = table->orig_nents += sg_size; 265 table->nents = table->orig_nents += sg_size;