diff options
Diffstat (limited to 'drivers/firmware/tegra')
| -rw-r--r-- | drivers/firmware/tegra/bpmp-debugfs.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/drivers/firmware/tegra/bpmp-debugfs.c b/drivers/firmware/tegra/bpmp-debugfs.c index 0c440afd5224..9d3874cdaaee 100644 --- a/drivers/firmware/tegra/bpmp-debugfs.c +++ b/drivers/firmware/tegra/bpmp-debugfs.c @@ -377,18 +377,11 @@ static ssize_t bpmp_debug_store(struct file *file, const char __user *buf, if (!filename) return -ENOENT; - databuf = kmalloc(count, GFP_KERNEL); - if (!databuf) - return -ENOMEM; - - if (copy_from_user(databuf, buf, count)) { - err = -EFAULT; - goto free_ret; - } + databuf = memdup_user(buf, count); + if (IS_ERR(databuf)) + return PTR_ERR(databuf); err = mrq_debug_write(bpmp, filename, databuf, count); - -free_ret: kfree(databuf); return err ?: count; |