diff options
| author | Mark Brown <broonie@kernel.org> | 2025-05-20 10:34:09 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2025-05-20 10:34:09 +0100 |
| commit | 831962e9d7b774d858cfeefc3848e06a2d5599df (patch) | |
| tree | c66522409bd3913a89a7ac3d37459d6bb78ee8b8 /drivers/gpio/gpio-virtuser.c | |
| parent | e4dca67b2463e6abe775876c9cb049ea5b1c8e0d (diff) | |
| parent | 5b5bf5922f4c104e4e829c0dbfdd9399b7cfc434 (diff) | |
Add sound card support for QCS9100 and QCS9075
Merge series from Mohammad Rafi Shaik <mohammad.rafi.shaik@oss.qualcomm.com>:
This patchset adds support for sound card on Qualcomm QCS9100 and
QCS9075 boards.
Diffstat (limited to 'drivers/gpio/gpio-virtuser.c')
| -rw-r--r-- | drivers/gpio/gpio-virtuser.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/gpio/gpio-virtuser.c b/drivers/gpio/gpio-virtuser.c index 13407fd4f0eb..eab6726953b4 100644 --- a/drivers/gpio/gpio-virtuser.c +++ b/drivers/gpio/gpio-virtuser.c @@ -401,10 +401,15 @@ static ssize_t gpio_virtuser_direction_do_write(struct file *file, char buf[32], *trimmed; int ret, dir, val = 0; - ret = simple_write_to_buffer(buf, sizeof(buf), ppos, user_buf, count); + if (count >= sizeof(buf)) + return -EINVAL; + + ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); if (ret < 0) return ret; + buf[ret] = '\0'; + trimmed = strim(buf); if (strcmp(trimmed, "input") == 0) { @@ -623,12 +628,15 @@ static ssize_t gpio_virtuser_consumer_write(struct file *file, char buf[GPIO_VIRTUSER_NAME_BUF_LEN + 2]; int ret; + if (count >= sizeof(buf)) + return -EINVAL; + ret = simple_write_to_buffer(buf, GPIO_VIRTUSER_NAME_BUF_LEN, ppos, user_buf, count); if (ret < 0) return ret; - buf[strlen(buf) - 1] = '\0'; + buf[ret] = '\0'; ret = gpiod_set_consumer_name(data->ad.desc, buf); if (ret) |