diff options
Diffstat (limited to 'drivers/net/wireless/ti/wlcore/debugfs.c')
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/debugfs.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/drivers/net/wireless/ti/wlcore/debugfs.c b/drivers/net/wireless/ti/wlcore/debugfs.c index de7e2a5fdffa..a2cb408be8aa 100644 --- a/drivers/net/wireless/ti/wlcore/debugfs.c +++ b/drivers/net/wireless/ti/wlcore/debugfs.c @@ -1149,15 +1149,9 @@ static ssize_t dev_mem_write(struct file *file, const char __user *user_buf, part.mem.start = *ppos; part.mem.size = bytes; - buf = kmalloc(bytes, GFP_KERNEL); - if (!buf) - return -ENOMEM; - - ret = copy_from_user(buf, user_buf, bytes); - if (ret) { - ret = -EFAULT; - goto err_out; - } + buf = memdup_user(user_buf, bytes); + if (IS_ERR(buf)) + return PTR_ERR(buf); mutex_lock(&wl->mutex); @@ -1197,7 +1191,6 @@ skip_write: if (ret == 0) *ppos += bytes; -err_out: kfree(buf); return ((ret == 0) ? bytes : ret); |