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authorLeon Romanovsky <leonro@mellanox.com>2019-05-28 14:37:28 +0300
committerDoug Ledford <dledford@redhat.com>2019-06-11 16:17:10 -0400
commita52c8e2469c30cf7ac453d624aed9c168b23d1af (patch)
tree6e2b5b8f8d37a23f0ebe3630bb0fb1202e8d10f5 /drivers/infiniband/hw/cxgb3
parentRDMA/nes: Avoid memory allocation during CQ destroy (diff)
downloadlinux-dev-a52c8e2469c30cf7ac453d624aed9c168b23d1af.tar.xz
linux-dev-a52c8e2469c30cf7ac453d624aed9c168b23d1af.zip
RDMA: Clean destroy CQ in drivers do not return errors
Like all other destroy commands, .destroy_cq() call is not supposed to fail. In all flows, the attempt to return earlier caused to memory leaks. This patch converts .destroy_cq() to do not return any errors. Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Acked-by: Gal Pressman <galpress@amazon.com> Acked-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to '')
-rw-r--r--drivers/infiniband/hw/cxgb3/cxio_hal.c6
-rw-r--r--drivers/infiniband/hw/cxgb3/cxio_hal.h2
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_provider.c3
3 files changed, 4 insertions, 7 deletions
diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c
index d9c741fea0e9..37ee93824349 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_hal.c
+++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c
@@ -303,17 +303,15 @@ err1:
return -ENOMEM;
}
-int cxio_destroy_cq(struct cxio_rdev *rdev_p, struct t3_cq *cq)
+void cxio_destroy_cq(struct cxio_rdev *rdev_p, struct t3_cq *cq)
{
- int err;
- err = cxio_hal_clear_cq_ctx(rdev_p, cq->cqid);
+ cxio_hal_clear_cq_ctx(rdev_p, cq->cqid);
kfree(cq->sw_queue);
dma_free_coherent(&(rdev_p->rnic_info.pdev->dev),
(1UL << (cq->size_log2))
* sizeof(struct t3_cqe) + 1, cq->queue,
dma_unmap_addr(cq, mapping));
cxio_hal_put_cqid(rdev_p->rscp, cq->cqid);
- return err;
}
int cxio_destroy_qp(struct cxio_rdev *rdev_p, struct t3_wq *wq,
diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.h b/drivers/infiniband/hw/cxgb3/cxio_hal.h
index 5fc26a4648d3..40c029ffa425 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_hal.h
+++ b/drivers/infiniband/hw/cxgb3/cxio_hal.h
@@ -158,7 +158,7 @@ void cxio_rdev_close(struct cxio_rdev *rdev);
int cxio_hal_cq_op(struct cxio_rdev *rdev, struct t3_cq *cq,
enum t3_cq_opcode op, u32 credit);
int cxio_create_cq(struct cxio_rdev *rdev, struct t3_cq *cq, int kernel);
-int cxio_destroy_cq(struct cxio_rdev *rdev, struct t3_cq *cq);
+void cxio_destroy_cq(struct cxio_rdev *rdev, struct t3_cq *cq);
void cxio_release_ucontext(struct cxio_rdev *rdev, struct cxio_ucontext *uctx);
void cxio_init_ucontext(struct cxio_rdev *rdev, struct cxio_ucontext *uctx);
int cxio_create_qp(struct cxio_rdev *rdev, u32 kernel_domain, struct t3_wq *wq,
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index 1b35941eee74..5bde4ae93681 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -88,7 +88,7 @@ static int iwch_alloc_ucontext(struct ib_ucontext *ucontext,
return 0;
}
-static int iwch_destroy_cq(struct ib_cq *ib_cq, struct ib_udata *udata)
+static void iwch_destroy_cq(struct ib_cq *ib_cq, struct ib_udata *udata)
{
struct iwch_cq *chp;
@@ -101,7 +101,6 @@ static int iwch_destroy_cq(struct ib_cq *ib_cq, struct ib_udata *udata)
cxio_destroy_cq(&chp->rhp->rdev, &chp->cq);
kfree(chp);
- return 0;
}
static struct ib_cq *iwch_create_cq(struct ib_device *ibdev,