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authorIngo Molnar <mingo@elte.hu>2010-10-07 09:43:38 +0200
committerIngo Molnar <mingo@elte.hu>2010-10-07 09:43:45 +0200
commit556ef63255f1a6f82910a637c4164dbf7d3d1af2 (patch)
treeae209fe4959e0837bf4eb72abc6e02c8a82179a1 /lib/scatterlist.c
parentd4f8f217b8a5d5bd02af979650418dca4caec472 (diff)
parentcb655d0f3d57c23db51b981648e452988c0223f9 (diff)
downloadop-kernel-dev-556ef63255f1a6f82910a637c4164dbf7d3d1af2.zip
op-kernel-dev-556ef63255f1a6f82910a637c4164dbf7d3d1af2.tar.gz
Merge commit 'v2.6.36-rc7' into core/rcu
Merge reason: Update from -rc3 to -rc7. Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 a5ec428..4ceb05d 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;
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