---

yaml --- r: 343691 b: refs/heads/master c: 7d9c199 h: refs/heads/master i: 343689: dd93091 343687: 66f1e54 v: v3
git-mirror · Dec 8, 2012 · 610c396 · 610c396
1 parent 77ac326
commit 610c396
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7bfcfa51c35cdd2d37e0d70fc11790642dd11fb3
+refs/heads/master: 7d9c199a55200c9b9fcad08e150470d02fb385be
diff --git a/trunk/drivers/infiniband/hw/nes/nes_verbs.c b/trunk/drivers/infiniband/hw/nes/nes_verbs.c
@@ -2561,6 +2561,11 @@ static struct ib_mr *nes_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
 			return ibmr;
 		case IWNES_MEMREG_TYPE_QP:
 		case IWNES_MEMREG_TYPE_CQ:
+			if (!region->length) {
+				nes_debug(NES_DBG_MR, "Unable to register zero length region for CQ\n");
+				ib_umem_release(region);
+				return ERR_PTR(-EINVAL);
+			}
 			nespbl = kzalloc(sizeof(*nespbl), GFP_KERNEL);
 			if (!nespbl) {
 				nes_debug(NES_DBG_MR, "Unable to allocate PBL\n");