EDAC/versalnet: Fix off by one in handle_error()

The priv->mci[] array has NUM_CONTROLLERS so this > comparison needs to be >=
to prevent an out of bounds access.

Fixes: d5fe2fec6c40 ("EDAC: Add a driver for the AMD Versal NET DDR controller")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Yazen Ghannam <yazen.ghannam@amd.com>

diff --git a/drivers/edac/versalnet_edac.c b/drivers/edac/versalnet_edac.c
index 7c5db8bf0595b614b6f7b85227fa02198b882790..1ded4c3f02133444931528032000d3583cdc63e3 100644 (file)
--- a/drivers/edac/versalnet_edac.c
+++ b/drivers/edac/versalnet_edac.c
@@ -433,7 +433,7 @@ static void handle_error(struct mc_priv  *priv, struct ecc_status *stat,
        phys_addr_t pfn;
        int err;
 
-       if (WARN_ON_ONCE(ctl_num > NUM_CONTROLLERS))
+       if (WARN_ON_ONCE(ctl_num >= NUM_CONTROLLERS))
                return;
 
        mci = priv->mci[ctl_num];