redonkable/remarkable-linux
redonkable/remarkable-linux
1
0
Fork 0
Code Releases Activity

intel_th: msu: Handle kstrndup() failure

Browse source 
Currently, the nr_pages attribute store does not check if kstrndup()
succeeded. Fix this.

Reported-by: Alan Cox <alan.cox@intel.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Reviewed-by: Laurent Fert <laurent.fert@intel.com>
This commit is contained in:
Alexander Shishkin 2016-03-04 16:16:31 +02:00
parent 8f1127ea09
commit 6575cbd671
1 changed files with 5 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
drivers/hwtracing/intel_th/msu.c
View file

@ -1393,6 +1393,11 @@ nr_pages_store(struct device *dev, struct device_attribute *attr,
do {
end = memchr(p, ',', len);
s = kstrndup(p, end ? end - p : len, GFP_KERNEL);
if (!s) {
ret = -ENOMEM;
goto free_win;
}
ret = kstrtoul(s, 10, &val);
kfree(s);