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path: root/drivers/pcmcia
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Diffstat (limited to 'drivers/pcmcia')
-rw-r--r--drivers/pcmcia/pcmcia_ioctl.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c
index 310ede575caa..d077870c6731 100644
--- a/drivers/pcmcia/pcmcia_ioctl.c
+++ b/drivers/pcmcia/pcmcia_ioctl.c
@@ -594,7 +594,12 @@ static int ds_ioctl(struct inode * inode, struct file * file,
err = ret = 0;
- if (cmd & IOC_IN) __copy_from_user((char *)buf, uarg, size);
+ if (cmd & IOC_IN) {
+ if (__copy_from_user((char *)buf, uarg, size)) {
+ err = -EFAULT;
+ goto free_out;
+ }
+ }
switch (cmd) {
case DS_ADJUST_RESOURCE_INFO: