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authorHans Petter Selasky <hselasky@FreeBSD.org>2022-05-19 08:06:42 +0000
committerHans Petter Selasky <hselasky@FreeBSD.org>2022-06-07 06:46:10 +0000
commit33870019c5f247b4602f1f044feadcc46bafa514 (patch)
tree6d1cf91224ff2f3ad90a2825fc0b1b70160c9dd9
parent7169d3610d1cb2614aeebb8ae51f2da0314d27f2 (diff)
downloadsrc-33870019c5f247b4602f1f044feadcc46bafa514.tar.gz
src-33870019c5f247b4602f1f044feadcc46bafa514.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.c1
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 7bb6323a4c53..bf3b6f580526 100644
--- a/sys/ofed/drivers/infiniband/core/ib_mad.c
+++ b/sys/ofed/drivers/infiniband/core/ib_mad.c
@@ -2889,6 +2889,7 @@ 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;
}