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authorDan Carpenter <error27@gmail.com>2011-08-14 09:35:00 +0400
committerNicholas Bellinger <nab@linux-iscsi.org>2011-08-22 23:26:30 +0400
commitba7736696341ad4253125055c0c85aa9f42959a0 (patch)
tree7433fc8fa41e8dd54c56d4eea4a031c0f7d9f780
parent6626a0572657a0945a7b9ccf4a6d6ad1750f9adc (diff)
downloadlinux-ba7736696341ad4253125055c0c85aa9f42959a0.tar.xz
iscsi-target: Fix iscsit_allocate_se_cmd_for_tmr failure path bugs
This patch fixes two bugs in allocation failure handling in iscsit_allocate_se_cmd_for_tmr(): This first reported by DanC is a free-after call to transport_free_se_cmd(), this patch drops the transport_free_se_cmd() call all together, as iscsit_release_cmd() will release existing allocations as expected. The second is a bug where iscsi_cmd_t was being leaked on a cmd->tmr_req allocation failure, so make this jump to iscsit_release_cmd() as well. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
-rw-r--r--drivers/target/iscsi/iscsi_target_util.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c
index a1acb0167902..a0d23bc0fc98 100644
--- a/drivers/target/iscsi/iscsi_target_util.c
+++ b/drivers/target/iscsi/iscsi_target_util.c
@@ -243,7 +243,7 @@ struct iscsi_cmd *iscsit_allocate_se_cmd_for_tmr(
if (!cmd->tmr_req) {
pr_err("Unable to allocate memory for"
" Task Management command!\n");
- return NULL;
+ goto out;
}
/*
* TASK_REASSIGN for ERL=2 / connection stays inside of
@@ -298,8 +298,6 @@ struct iscsi_cmd *iscsit_allocate_se_cmd_for_tmr(
return cmd;
out:
iscsit_release_cmd(cmd);
- if (se_cmd)
- transport_free_se_cmd(se_cmd);
return NULL;
}