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authorPan Bian <bianpan2016@163.com>2016-12-04 08:21:42 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2016-12-06 01:22:25 +0300
commit29b33252751b430e400a987667a826ffcd2741f4 (patch)
tree5b8c10e8b9cb046f62b3f76afe5ade9d2dce9482 /drivers/scsi/be2iscsi
parent2a80d5458a027f6d514987c09f0b51f45c3a5be4 (diff)
downloadlinux-29b33252751b430e400a987667a826ffcd2741f4.tar.xz
scsi: be2iscsi: set errno on error path
Variable ret is reset in the loop, and its value will be 0 during the second and after repeat of the loop. If pci_alloc_consistent() returns a NULL pointer then, it will leaves with return value 0. 0 means no error, which is contrary to the fact. This patches fixes the bug, explicitly assigning "-ENOMEM" to return variable ret on the path that the call to pci_alloc_consistent() fails. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188941 Signed-off-by: Pan Bian <bianpan2016@163.com> Reviewed-by: Jitendra Bhivare <Jitendra.bhivare@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/be2iscsi')
-rw-r--r--drivers/scsi/be2iscsi/be_main.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index d9239c2d49b1..b6c5791060e5 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -3113,8 +3113,10 @@ static int beiscsi_create_cqs(struct beiscsi_hba *phba,
cq_vaddress = pci_alloc_consistent(phba->pcidev,
num_cq_pages * PAGE_SIZE,
&paddr);
- if (!cq_vaddress)
+ if (!cq_vaddress) {
+ ret = -ENOMEM;
goto create_cq_error;
+ }
ret = be_fill_queue(cq, phba->params.num_cq_entries,
sizeof(struct sol_cqe), cq_vaddress);