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authorShawn.Shao <[email protected]>2023-08-21 14:03:33 +0800
committerMichael S. Tsirkin <[email protected]>2023-10-18 11:28:47 -0400
commitd121df789b159e9a8ee770666f210975a81e8111 (patch)
tree99af848b139ca46ba3b5124d33ec15dcfe03ea7e
parente07744b43d3ad10b040f0ec464b6323ca96903d6 (diff)
vdpa_sim_blk: Fix the potential leak of mgmt_dev
If the shared_buffer allocation fails, need to unregister mgmt_dev first. Cc: [email protected] Fixes: abebb16254b36 ("vdpa_sim_blk: support shared backend") Signed-off-by: Shawn.Shao <[email protected]> Acked-by: Jason Wang <[email protected]> Message-Id: <[email protected]> Signed-off-by: Michael S. Tsirkin <[email protected]>
-rw-r--r--drivers/vdpa/vdpa_sim/vdpa_sim_blk.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c b/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c
index 00d7d72713be..b3a3cb165795 100644
--- a/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c
+++ b/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c
@@ -499,12 +499,13 @@ static int __init vdpasim_blk_init(void)
GFP_KERNEL);
if (!shared_buffer) {
ret = -ENOMEM;
- goto parent_err;
+ goto mgmt_dev_err;
}
}
return 0;
-
+mgmt_dev_err:
+ vdpa_mgmtdev_unregister(&mgmt_dev);
parent_err:
device_unregister(&vdpasim_blk_mgmtdev);
return ret;