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stmmac: platform: Move plat_dat checking earlier

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Original code only check/alloc plat_dat for the CONFIG_OF case, this
patch check/alloc it earlier and unconditionally to avoid kernel build
warnings:

drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c:275
stmmac_pltfr_probe() warn: variable dereferenced before check 'plat_dat'

V2: Fix coding style.

Signed-off-by: Huacai Chen <chenhc@lemote.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Huacai Chen 2014-11-27 21:05:34 +08:00 committed by David S. Miller
parent 4d6a949c62
commit 28603d1399
1 changed files with 9 additions and 9 deletions
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18
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
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@ -265,6 +265,15 @@ static int stmmac_pltfr_probe(struct platform_device *pdev)
plat_dat = dev_get_platdata(&pdev->dev);
if (!plat_dat)
plat_dat = devm_kzalloc(&pdev->dev,
sizeof(struct plat_stmmacenet_data),
GFP_KERNEL);
if (!plat_dat) {
pr_err("%s: ERROR: no memory", __func__);
return -ENOMEM;
}
/* Set default value for multicast hash bins */
plat_dat->multicast_filter_bins = HASH_TABLE_SIZE;
@ -272,15 +281,6 @@ static int stmmac_pltfr_probe(struct platform_device *pdev)
plat_dat->unicast_filter_entries = 1;
if (pdev->dev.of_node) {
if (!plat_dat)
plat_dat = devm_kzalloc(&pdev->dev,
sizeof(struct plat_stmmacenet_data),
GFP_KERNEL);
if (!plat_dat) {
pr_err("%s: ERROR: no memory", __func__);
return -ENOMEM;
}
ret = stmmac_probe_config_dt(pdev, plat_dat, &mac);
if (ret) {
pr_err("%s: main dt probe failed", __func__);