diff options
Diffstat (limited to 'kernel/printk/printk.c')
| -rw-r--r-- | kernel/printk/printk.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index b4573b55b435..62ffd417622c 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -885,7 +885,12 @@ static void __init log_buf_len_update(unsigned size) /* save requested log_buf_len since it's too early to process it */ static int __init log_buf_len_setup(char *str) { - unsigned size = memparse(str, &str); + unsigned int size; + + if (!str) + return -EINVAL; + + size = memparse(str, &str); log_buf_len_update(size); |