diff options
author | Takashi Iwai <[email protected]> | 2024-04-02 08:36:25 +0200 |
---|---|---|
committer | Takashi Iwai <[email protected]> | 2024-04-02 15:01:27 +0200 |
commit | c4e51e424e2c772ce1836912a8b0b87cd61bc9d5 (patch) | |
tree | 41641b7cb79c97882f5047e597938b3f53bd3ec2 | |
parent | 0bfe105018bd2d7b1e4373193d9b55b37cf4458b (diff) |
ALSA: line6: Zero-initialize message buffers
For shutting up spurious KMSAN uninit-value warnings, just replace
kmalloc() calls with kzalloc() for the buffers used for
communications. There should be no real issue with the original code,
but it's still better to cover.
Reported-by: [email protected]
Closes: https://lore.kernel.org/r/[email protected]
Message-ID: <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
-rw-r--r-- | sound/usb/line6/driver.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sound/usb/line6/driver.c b/sound/usb/line6/driver.c index b67617b68e50..f4437015d43a 100644 --- a/sound/usb/line6/driver.c +++ b/sound/usb/line6/driver.c @@ -202,7 +202,7 @@ int line6_send_raw_message_async(struct usb_line6 *line6, const char *buffer, struct urb *urb; /* create message: */ - msg = kmalloc(sizeof(struct message), GFP_ATOMIC); + msg = kzalloc(sizeof(struct message), GFP_ATOMIC); if (msg == NULL) return -ENOMEM; @@ -688,7 +688,7 @@ static int line6_init_cap_control(struct usb_line6 *line6) int ret; /* initialize USB buffers: */ - line6->buffer_listen = kmalloc(LINE6_BUFSIZE_LISTEN, GFP_KERNEL); + line6->buffer_listen = kzalloc(LINE6_BUFSIZE_LISTEN, GFP_KERNEL); if (!line6->buffer_listen) return -ENOMEM; @@ -697,7 +697,7 @@ static int line6_init_cap_control(struct usb_line6 *line6) return -ENOMEM; if (line6->properties->capabilities & LINE6_CAP_CONTROL_MIDI) { - line6->buffer_message = kmalloc(LINE6_MIDI_MESSAGE_MAXLEN, GFP_KERNEL); + line6->buffer_message = kzalloc(LINE6_MIDI_MESSAGE_MAXLEN, GFP_KERNEL); if (!line6->buffer_message) return -ENOMEM; |