diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/scatterlist.c | 14 |
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; |