diff options
| author | Haoxiang Li <haoxiang_li2024@163.com> | 2025-12-04 21:21:29 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-12-17 14:51:54 +0100 |
| commit | 36cc7e09df9e43db21b46519b740145410dd9f4a (patch) | |
| tree | 9927737bb5e7c24a08904d583b5468aec8ffc41d /drivers/usb | |
| parent | d14cd998e67ba8f1cca52a260a1ce1a60954fd8b (diff) | |
usb: renesas_usbhs: Fix a resource leak in usbhs_pipe_malloc()
usbhsp_get_pipe() set pipe's flags to IS_USED. In error paths,
usbhsp_put_pipe() is required to clear pipe's flags to prevent
pipe exhaustion.
Fixes: f1407d5c6624 ("usb: renesas_usbhs: Add Renesas USBHS common code")
Cc: stable <stable@kernel.org>
Signed-off-by: Haoxiang Li <haoxiang_li2024@163.com>
Link: https://patch.msgid.link/20251204132129.109234-1-haoxiang_li2024@163.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/renesas_usbhs/pipe.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c index 75fff2e4cbc6..56fc3ff5016f 100644 --- a/drivers/usb/renesas_usbhs/pipe.c +++ b/drivers/usb/renesas_usbhs/pipe.c @@ -713,11 +713,13 @@ struct usbhs_pipe *usbhs_pipe_malloc(struct usbhs_priv *priv, /* make sure pipe is not busy */ ret = usbhsp_pipe_barrier(pipe); if (ret < 0) { + usbhsp_put_pipe(pipe); dev_err(dev, "pipe setup failed %d\n", usbhs_pipe_number(pipe)); return NULL; } if (usbhsp_setup_pipecfg(pipe, is_host, dir_in, &pipecfg)) { + usbhsp_put_pipe(pipe); dev_err(dev, "can't setup pipe\n"); return NULL; } |