diff mbox series

[net,v3] net: thunderbolt: fix memory leak in tbnet_open()

Message ID 20221207015001.1755826-1-shaozhengchao@huawei.com (mailing list archive)
State Accepted
Commit ed14e5903638f6eb868e3e2b4e610985e6a6c876
Delegated to: Netdev Maintainers
Headers show
Series [net,v3] net: thunderbolt: fix memory leak in tbnet_open() | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net
netdev/fixes_present success Fixes tag present in non-next series
netdev/subject_prefix success Link
netdev/cover_letter success Single patches do not need cover letters
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 18 this patch: 18
netdev/cc_maintainers success CCed 8 of 8 maintainers
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success Fixes tag looks correct
netdev/build_allmodconfig_warn success Errors and warnings before: 18 this patch: 18
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 7 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

shaozhengchao Dec. 7, 2022, 1:50 a.m. UTC
When tb_ring_alloc_rx() failed in tbnet_open(), ida that allocated in
tb_xdomain_alloc_out_hopid() is not released. Add
tb_xdomain_release_out_hopid() to the error path to release ida.

Fixes: 180b0689425c ("thunderbolt: Allow multiple DMA tunnels over a single XDomain connection")
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
v3: add patch description
v2: move release ida before free tx_ring
---
 drivers/net/thunderbolt.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Jiri Pirko Dec. 7, 2022, 1:49 p.m. UTC | #1
Wed, Dec 07, 2022 at 02:50:01AM CET, shaozhengchao@huawei.com wrote:
>When tb_ring_alloc_rx() failed in tbnet_open(), ida that allocated in
>tb_xdomain_alloc_out_hopid() is not released. Add
>tb_xdomain_release_out_hopid() to the error path to release ida.
>
>Fixes: 180b0689425c ("thunderbolt: Allow multiple DMA tunnels over a single XDomain connection")
>Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
>Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>

Reviewed-by: Jiri Pirko <jiri@nvidia.com>
patchwork-bot+netdevbpf@kernel.org Dec. 8, 2022, 5:10 p.m. UTC | #2
Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@kernel.org>:

On Wed, 7 Dec 2022 09:50:01 +0800 you wrote:
> When tb_ring_alloc_rx() failed in tbnet_open(), ida that allocated in
> tb_xdomain_alloc_out_hopid() is not released. Add
> tb_xdomain_release_out_hopid() to the error path to release ida.
> 
> Fixes: 180b0689425c ("thunderbolt: Allow multiple DMA tunnels over a single XDomain connection")
> Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
> 
> [...]

Here is the summary with links:
  - [net,v3] net: thunderbolt: fix memory leak in tbnet_open()
    https://git.kernel.org/netdev/net/c/ed14e5903638

You are awesome, thank you!
diff mbox series

Patch

diff --git a/drivers/net/thunderbolt.c b/drivers/net/thunderbolt.c
index a52ee2bf5575..6312f67f260e 100644
--- a/drivers/net/thunderbolt.c
+++ b/drivers/net/thunderbolt.c
@@ -914,6 +914,7 @@  static int tbnet_open(struct net_device *dev)
 				eof_mask, tbnet_start_poll, net);
 	if (!ring) {
 		netdev_err(dev, "failed to allocate Rx ring\n");
+		tb_xdomain_release_out_hopid(xd, hopid);
 		tb_ring_free(net->tx_ring.ring);
 		net->tx_ring.ring = NULL;
 		return -ENOMEM;