Commit 855591d2 authored by Tom Lendacky's avatar Tom Lendacky Committed by David S. Miller

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: default avatarTom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 83ffe99f
...@@ -327,6 +327,9 @@ void xgbe_debugfs_init(struct xgbe_prv_data *pdata) ...@@ -327,6 +327,9 @@ void xgbe_debugfs_init(struct xgbe_prv_data *pdata)
pdata->debugfs_xpcs_reg = 0; pdata->debugfs_xpcs_reg = 0;
buf = kasprintf(GFP_KERNEL, "amd-xgbe-%s", pdata->netdev->name); buf = kasprintf(GFP_KERNEL, "amd-xgbe-%s", pdata->netdev->name);
if (!buf)
return;
pdata->xgbe_debugfs = debugfs_create_dir(buf, NULL); pdata->xgbe_debugfs = debugfs_create_dir(buf, NULL);
if (!pdata->xgbe_debugfs) { if (!pdata->xgbe_debugfs) {
netdev_err(pdata->netdev, "debugfs_create_dir failed\n"); netdev_err(pdata->netdev, "debugfs_create_dir failed\n");
......
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