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authorDominik Brodowski <linux@dominikbrodowski.net>2006-11-19 11:21:27 -0500
committerDominik Brodowski <linux@dominikbrodowski.net>2006-12-04 20:09:16 -0500
commit9374074f9b8bfe15bd5860019d07d967507c2bb6 (patch)
tree0a4773e92454964e3fb8f342115085202e2f761e /drivers/pcmcia
parent1d2c90425d5b0dcbf4a0fab2053d5087758b76a0 (diff)
[PATCH] pcmcia: handle __copy_from_user() return value in ioctl
Handle __copy_from_user() return value. drivers/pcmcia/pcmcia_ioctl.c:597: warning: ignoring return value of '__copy_from_user', declared with attribute warn_unused_result Noticed and first fix by Randy Dunlap. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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: