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[rdma-core,1/3] libqedr: Check queue mapping return value correctly

Message ID 1487224571-18627-2-git-send-email-Ram.Amrani@cavium.com (mailing list archive)
State Accepted
Headers show

Commit Message

Amrani, Ram Feb. 16, 2017, 5:56 a.m. UTC 
When mapping CQ/RQ/SQ check the mmap return value.

Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com>
---
 providers/qedr/qelr_chain.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/providers/qedr/qelr_chain.c b/providers/qedr/qelr_chain.c
index edc72f4..d9ccc0b 100644
--- a/providers/qedr/qelr_chain.c
+++ b/providers/qedr/qelr_chain.c
@@ -76,7 +76,7 @@  int qelr_chain_alloc(struct qelr_chain *chain, int chain_size, int page_size,
 	addr = mmap(NULL, a_chain_size, PROT_READ | PROT_WRITE,
 			 MAP_PRIVATE | MAP_ANONYMOUS, QELR_ANON_FD,
 			 QELR_ANON_OFFSET);
-	if (chain->first_addr == MAP_FAILED)
+	if (addr == MAP_FAILED)
 		return errno;
 
 	ret = ibv_dontfork_range(addr, a_chain_size);