This patch replaces the code for getting an number from a
userspace buffer by a simple call to kstroul_from_user.
This makes it easier to read and less error prone.
Signed-off-by: Peter Huewe <peterhuewe@xxxxxx>
---
drivers/isdn/hysdn/hysdn_proclog.c | 10 +---------
1 files changed, 1 insertions(+), 9 deletions(-)
diff --git a/drivers/isdn/hysdn/hysdn_proclog.c b/drivers/isdn/hysdn/hysdn_proclog.c
index ba91333..88e4f0e 100644
--- a/drivers/isdn/hysdn/hysdn_proclog.c
+++ b/drivers/isdn/hysdn/hysdn_proclog.c
@@ -156,17 +156,9 @@ static ssize_t
hysdn_log_write(struct file *file, const char __user *buf, size_t count, loff_t *off)
{
int rc;
- unsigned char valbuf[128];
hysdn_card *card = file->private_data;
- if (count > (sizeof(valbuf) - 1))
- count = sizeof(valbuf) - 1; /* limit length */
- if (copy_from_user(valbuf, buf, count))
- return (-EFAULT); /* copy failed */
-
- valbuf[count] = 0; /* terminating 0 */
-
- rc = kstrtoul(valbuf, 0, &card->debug_flags);
+ rc = kstrtoul_from_user(buf, count, 0, &card->debug_flags);
if (rc < 0)
return rc;
hysdn_addlog(card, "debug set to 0x%lx", card->debug_flags);
--
1.7.3.4
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