diff options
| author | Tom Lendacky <thomas.lendacky@amd.com> | 2015-10-05 18:51:03 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-10-06 09:30:51 +0300 |
| commit | 855591d2f7d1ff7eb18b60ce2be494e3bfe27fb8 (patch) | |
| tree | 0f660f069392b98eac4e8cf2db9bdc80ce1a3e18 | |
| parent | 83ffe99f52b8f269b31b21524adcd13b165f7703 (diff) | |
| download | linux-855591d2f7d1ff7eb18b60ce2be494e3bfe27fb8.tar.xz | |
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>
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c b/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c index 66137ffea3f8..96f485ab612e 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c @@ -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"); |