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-rw-r--r--lib/raid6/.gitignore4
-rw-r--r--lib/scatterlist.c14
2 files changed, 16 insertions, 2 deletions
diff --git a/lib/raid6/.gitignore b/lib/raid6/.gitignore
new file mode 100644
index 00000000000..162becacf97
--- /dev/null
+++ b/lib/raid6/.gitignore
@@ -0,0 +1,4 @@
+mktables
+altivec*.c
+int*.c
+tables.c
diff --git a/lib/scatterlist.c b/lib/scatterlist.c
index a5ec42868f9..4ceb05d772a 100644
--- a/lib/scatterlist.c
+++ b/lib/scatterlist.c
@@ -248,8 +248,18 @@ int __sg_alloc_table(struct sg_table *table, unsigned int nents,
left -= sg_size;
sg = alloc_fn(alloc_size, gfp_mask);
- if (unlikely(!sg))
- return -ENOMEM;
+ if (unlikely(!sg)) {
+ /*
+ * Adjust entry count to reflect that the last
+ * entry of the previous table won't be used for
+ * linkage. Without this, sg_kfree() may get
+ * confused.
+ */
+ if (prv)
+ table->nents = ++table->orig_nents;
+
+ return -ENOMEM;
+ }
sg_init_table(sg, alloc_size);
table->nents = table->orig_nents += sg_size;