Commit 855591d2 authored Oct 05, 2015 by Tom Lendacky Committed by David S. Miller Oct 05, 2015

amd-xgbe: Check for successful buffer allocation before use

The kasprintf function can return NULL if the allocation fails. Check for
successful allocation before attempting to use the returned buffer.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 83ffe99f

drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -327,6 +327,9 @@ void xgbe_debugfs_init(struct xgbe_prv_data *pdata)
		pdata->debugfs_xpcs_reg = 0;

		buf = kasprintf(GFP_KERNEL, "amd-xgbe-%s", pdata->netdev->name);
		if (!buf)
		return;

		pdata->xgbe_debugfs = debugfs_create_dir(buf, NULL);
		if (!pdata->xgbe_debugfs) {
		netdev_err(pdata->netdev, "debugfs_create_dir failed\n");