diff options
| author | Kalesh AP <kalesh-anakkur.purayil@broadcom.com> | 2025-01-04 11:45:19 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-02-08 09:57:46 +0100 |
| commit | 14ef8b5ec726590edf22c1384ba47db8446dade5 (patch) | |
| tree | 611c3f4a5c93c65a80c9514b0b4a70d24ffd586a | |
| parent | 8f23568649825ce4681a301bb6780caca5b24eaf (diff) | |
RDMA/bnxt_re: Fix to drop reference to the mmap entry in case of error
[ Upstream commit c84f0f4f49d81645f49c3269fdcc3b84ce61e795 ]
In the error handling path of bnxt_re_mmap(), driver should invoke
rdma_user_mmap_entry_put() to free the reference of mmap entry in case
the error happens after rdma_user_mmap_entry_get was called.
Fixes: ea2224857882 ("RDMA/bnxt_re: Update alloc_page uapi for pacing")
Reviewed-by: Saravanan Vajravel <saravanan.vajravel@broadcom.com>
Reviewed-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://patch.msgid.link/20250104061519.2540178-1-kalesh-anakkur.purayil@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/ib_verbs.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index 14e434ff51ed..a7067c3c0679 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -4395,9 +4395,10 @@ int bnxt_re_mmap(struct ib_ucontext *ib_uctx, struct vm_area_struct *vma) case BNXT_RE_MMAP_TOGGLE_PAGE: /* Driver doesn't expect write access for user space */ if (vma->vm_flags & VM_WRITE) - return -EFAULT; - ret = vm_insert_page(vma, vma->vm_start, - virt_to_page((void *)bnxt_entry->mem_offset)); + ret = -EFAULT; + else + ret = vm_insert_page(vma, vma->vm_start, + virt_to_page((void *)bnxt_entry->mem_offset)); break; default: ret = -EINVAL; |