X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=lib%2Fscatterlist.c;h=4ceb05d772aed12d392d618358284ea71cb51dd2;hb=d950b95882f3dc47e86f1496cd3f7fef540d6d6b;hp=a5ec42868f99d8d6700f34ca81c061c1ef21d15b;hpb=e981b060767b3c4ac9393ad8d2558d648e35dfcb;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

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;