Messages in this thread Patch in this message | | | Date | Thu, 6 Mar 2014 15:51:59 -0800 | From | John de la Garza <> | Subject | [PATCH] usbip:usbip_common.c: check return value of sscanf |
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Added code to check return value of sscanf.
Signed-off-by: John de la Garza <john@jjdev.com> --- drivers/staging/usbip/usbip_common.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/usbip/usbip_common.c b/drivers/staging/usbip/usbip_common.c index 4a2aab1..2a11233 100644 --- a/drivers/staging/usbip/usbip_common.c +++ b/drivers/staging/usbip/usbip_common.c @@ -55,7 +55,8 @@ static ssize_t usbip_debug_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - sscanf(buf, "%lx", &usbip_debug_flag); + if (sscanf(buf, "%lx", &usbip_debug_flag) != 1) + return -EINVAL; return count; } DEVICE_ATTR_RW(usbip_debug); -- 1.7.10.4
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