prism54: call BUG_ON() earlier

This test is off by one because strlen() doesn't include the NULL
terminator.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/prism54/isl_ioctl.c b/drivers/net/wireless/prism54/isl_ioctl.c
index 236e375..2e656bb 100644 (file)
--- a/drivers/net/wireless/prism54/isl_ioctl.c
+++ b/drivers/net/wireless/prism54/isl_ioctl.c
@@ -2067,7 +2067,7 @@ send_simple_event(islpci_private *priv, const char *str)
        memptr = kmalloc(IW_CUSTOM_MAX, GFP_KERNEL);
        if (!memptr)
                return;
-       BUG_ON(n > IW_CUSTOM_MAX);
+       BUG_ON(n >= IW_CUSTOM_MAX);
        wrqu.data.pointer = memptr;
        wrqu.data.length = n;
        strcpy(memptr, str);