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-rw-r--r--net/wireless/wext.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/net/wireless/wext.c b/net/wireless/wext.c
index cb6a5bb85d8..0e59f9ae9b8 100644
--- a/net/wireless/wext.c
+++ b/net/wireless/wext.c
@@ -786,6 +786,13 @@ static int ioctl_standard_iw_point(struct iw_point *iwp, unsigned int cmd,
err = -EFAULT;
goto out;
}
+
+ if (cmd == SIOCSIWENCODEEXT) {
+ struct iw_encode_ext *ee = (void *) extra;
+
+ if (iwp->length < sizeof(*ee) + ee->key_len)
+ return -EFAULT;
+ }
}
err = handler(dev, info, (union iwreq_data *) iwp, extra);