X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fisdn%2Fact2000%2Fact2000_isa.c;h=b363d09764653b98dc197429f53303c6ebd117ca;hb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;hp=e84aa5fb3449d72ff6e85f792b22ecb176005087;hpb=9bf4aaab3e101692164d49b7ca357651eb691cb6;p=linux-2.6.git

diff --git a/drivers/isdn/act2000/act2000_isa.c b/drivers/isdn/act2000/act2000_isa.c
index e84aa5fb3..b363d0976 100644
--- a/drivers/isdn/act2000/act2000_isa.c
+++ b/drivers/isdn/act2000/act2000_isa.c
@@ -434,7 +434,10 @@ act2000_isa_download(act2000_card * card, act2000_ddef __user * cb)
                 l = (length > 1024) ? 1024 : length;
                 c = 0;
                 b = buf;
-                copy_from_user(buf, p, l);
+                if (copy_from_user(buf, p, l)) {
+                        kfree(buf);
+                        return -EFAULT;
+                }
                 while (c < l) {
                         if (act2000_isa_writeb(card, *b++)) {
                                 printk(KERN_WARNING