diff options
| author | Michal Kalderon | 2020-09-02 19:57:34 +0300 |
|---|---|---|
| committer | Jason Gunthorpe | 2020-09-11 10:24:54 -0300 |
| commit | 098e345a1a8faaad6e4e54d138773466cecc45d4 (patch) | |
| tree | a7c20ae9c15817ef9dfa6377fa51b95b3e25d603 /drivers/infiniband | |
| parent | b60b9c0274007fe68439cd9cefdabbd7fb8a2ce6 (diff) | |
RDMA/qedr: Fix qp structure memory leak
The qedr_qp structure wasn't freed when the protocol was RoCE. kmemleak
output when running basic RoCE scenario.
unreferenced object 0xffff927ad7e22c00 (size 1024):
comm "ib_send_bw", pid 7082, jiffies 4384133693 (age 274.698s)
hex dump (first 32 bytes):
00 b0 cd a2 79 92 ff ff 00 3f a1 a2 79 92 ff ff ....y....?..y...
00 ee 5c dd 80 92 ff ff 00 f6 5c dd 80 92 ff ff ..\.......\.....
backtrace:
[<00000000b2ba0f35>] qedr_create_qp+0xb3/0x6c0 [qedr]
[<00000000e85a43dd>] ib_uverbs_handler_UVERBS_METHOD_QP_CREATE+0x555/0xad0 [ib_uverbs]
[<00000000fee4d029>] ib_uverbs_cmd_verbs+0xa5a/0xb80 [ib_uverbs]
[<000000005d622660>] ib_uverbs_ioctl+0xa4/0x110 [ib_uverbs]
[<00000000eb4cdc71>] ksys_ioctl+0x87/0xc0
[<00000000abe6b23a>] __x64_sys_ioctl+0x16/0x20
[<0000000046e7cef4>] do_syscall_64+0x4d/0x90
[<00000000c6948f76>] entry_SYSCALL_64_after_hwframe+0x44/0xa9
Fixes: 1212767e23bb ("qedr: Add wrapping generic structure for qpidr and adjust idr routines.")
Link: https://lore.kernel.org/r/20200902165741.8355-2-michal.kalderon@marvell.com
Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/qedr/verbs.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c index f7bfc43f0f5c..bf5fa8db7837 100644 --- a/drivers/infiniband/hw/qedr/verbs.c +++ b/drivers/infiniband/hw/qedr/verbs.c @@ -2744,6 +2744,8 @@ int qedr_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata) if (rdma_protocol_iwarp(&dev->ibdev, 1)) qedr_iw_qp_rem_ref(&qp->ibqp); + else + kfree(qp); return 0; } |