mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-07 03:18:31 +00:00
staging: usbip: vhci_sysfs.c: check return value of sscanf
Added code to check return value of sscanf. Signed-off-by: John de la Garza <john@jjdev.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
d62994701b
commit
88fa1ebfa2
1 changed files with 4 additions and 2 deletions
|
@ -114,7 +114,8 @@ static ssize_t store_detach(struct device *dev, struct device_attribute *attr,
|
|||
int err;
|
||||
__u32 rhport = 0;
|
||||
|
||||
sscanf(buf, "%u", &rhport);
|
||||
if (sscanf(buf, "%u", &rhport) != 1)
|
||||
return -EINVAL;
|
||||
|
||||
/* check rhport */
|
||||
if (rhport >= VHCI_NPORTS) {
|
||||
|
@ -182,7 +183,8 @@ static ssize_t store_attach(struct device *dev, struct device_attribute *attr,
|
|||
* @devid: unique device identifier in a remote host
|
||||
* @speed: usb device speed in a remote host
|
||||
*/
|
||||
sscanf(buf, "%u %u %u %u", &rhport, &sockfd, &devid, &speed);
|
||||
if (sscanf(buf, "%u %u %u %u", &rhport, &sockfd, &devid, &speed) != 1)
|
||||
return -EINVAL;
|
||||
|
||||
usbip_dbg_vhci_sysfs("rhport(%u) sockfd(%u) devid(%u) speed(%u)\n",
|
||||
rhport, sockfd, devid, speed);
|
||||
|
|
Loading…
Reference in a new issue