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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2016-01-12 12:27:43 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-01-19 15:17:40 -0500 |
| commit | bc1251e6d9420fec4c6b328bcf9ea4e5bdecd30d (patch) | |
| tree | 43006b154498e1ce612d2adb86b1348b7f87b027 /drivers/infiniband/hw/nes/nes_cm.c | |
| parent | fbbeb8632bf0b46ab44cfcedc4654cd7831b7161 (diff) | |
| download | blackbird-op-linux-bc1251e6d9420fec4c6b328bcf9ea4e5bdecd30d.tar.gz blackbird-op-linux-bc1251e6d9420fec4c6b328bcf9ea4e5bdecd30d.zip | |
RDMA/nes: checking for NULL instead of IS_ERR
nes_reg_phys_mr() returns ERR_PTRs on error. It doesn't return NULL.
This bug has been there for a while, but we recently changed from
calling a function pointer to calling nes_reg_phys_mr() directly so now
Smatch is able to detect the bug.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/nes/nes_cm.c')
| -rw-r--r-- | drivers/infiniband/hw/nes/nes_cm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index 179490d74bfd..cb9f0f27308d 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -3320,14 +3320,14 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) nesqp->ietf_frame_pbase + mpa_frame_offset, buff_len, IB_ACCESS_LOCAL_WRITE, &tagged_offset); - if (!ibmr) { + if (IS_ERR(ibmr)) { nes_debug(NES_DBG_CM, "Unable to register memory region" "for lSMM for cm_node = %p \n", cm_node); pci_free_consistent(nesdev->pcidev, nesqp->private_data_len + nesqp->ietf_frame_size, nesqp->ietf_frame, nesqp->ietf_frame_pbase); - return -ENOMEM; + return PTR_ERR(ibmr); } ibmr->pd = &nespd->ibpd; |
