diff options
Diffstat (limited to 'arch/powerpc/platforms/pseries/reconfig.c')
| -rw-r--r-- | arch/powerpc/platforms/pseries/reconfig.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c index e5bf1e84047f..431f513586a9 100644 --- a/arch/powerpc/platforms/pseries/reconfig.c +++ b/arch/powerpc/platforms/pseries/reconfig.c @@ -367,16 +367,9 @@ static ssize_t ofdt_write(struct file *file, const char __user *buf, size_t coun char *kbuf; char *tmp; - if (!(kbuf = kmalloc(count + 1, GFP_KERNEL))) { - rv = -ENOMEM; - goto out; - } - if (copy_from_user(kbuf, buf, count)) { - rv = -EFAULT; - goto out; - } - - kbuf[count] = '\0'; + kbuf = memdup_user_nul(buf, count); + if (IS_ERR(kbuf)) + return PTR_ERR(kbuf); tmp = strchr(kbuf, ' '); if (!tmp) { |