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| author | Hans Petter Selasky <hselasky@FreeBSD.org> | 2022-05-19 08:06:42 +0000 |
|---|---|---|
| committer | Hans Petter Selasky <hselasky@FreeBSD.org> | 2022-06-07 06:44:28 +0000 |
| commit | 6953b4870f00e4d2ef99ae561ae03da028cb21e6 (patch) | |
| tree | 3e78ef10b384092334995ae458cb9c3b9ca2ad33 | |
| parent | 1315446ba0cdf7ba66b5bd274c53960bd8b4bc8f (diff) | |
| download | src-6953b4870f00e4d2ef99ae561ae03da028cb21e6.tar.gz src-6953b4870f00e4d2ef99ae561ae03da028cb21e6.zip | |
ibcore: Fix possible memory leak in ib_mad_post_receive_mads()
If ib_dma_mapping_error() returns non-zero value,
ib_mad_post_receive_mads() will jump out of loops and return -ENOMEM
without freeing mad_priv. Fix this memory-leak problem by freeing
mad_priv in this case.
Linux commit:
a17f4bed811c60712d8131883cdba11a105d0161
PR: 264057
Sponsored by: NVIDIA Networking
(cherry picked from commit ad7741ff693a39bab59b75e432bd922a62f3ef0a)
| -rw-r--r-- | sys/ofed/drivers/infiniband/core/ib_mad.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/ofed/drivers/infiniband/core/ib_mad.c b/sys/ofed/drivers/infiniband/core/ib_mad.c index 5f9c353052e8..9de97d749f6d 100644 --- a/sys/ofed/drivers/infiniband/core/ib_mad.c +++ b/sys/ofed/drivers/infiniband/core/ib_mad.c @@ -2874,6 +2874,7 @@ static int ib_mad_post_receive_mads(struct ib_mad_qp_info *qp_info, DMA_FROM_DEVICE); if (unlikely(ib_dma_mapping_error(qp_info->port_priv->device, sg_list.addr))) { + kfree(mad_priv); ret = -ENOMEM; break; } |