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authorWei Yongjun2013-07-30 01:51:37 +0200
committerMark Brown2013-07-31 16:00:01 +0200
commit70263cb474853c116f80713d468f3c17d805921c (patch)
treed92b3ea733464c520bf6d560f9e1b94096aabb95 /sound/soc/sh/rcar/gen.c
parentASoC: add Renesas R-Car SSI feature (diff)
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ASoC: rcar: fix return value check in rsnd_gen1_probe()
In case of error, the function devm_ioremap_resource() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR(), and also remove the dev_err call to avoid redundant error message. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound/soc/sh/rcar/gen.c')
-rw-r--r--sound/soc/sh/rcar/gen.c17
1 files changed, 4 insertions, 13 deletions
diff --git a/sound/soc/sh/rcar/gen.c b/sound/soc/sh/rcar/gen.c
index 5e4ae0da4352..61232cd9908f 100644
--- a/sound/soc/sh/rcar/gen.c
+++ b/sound/soc/sh/rcar/gen.c
@@ -150,25 +150,16 @@ static int rsnd_gen1_probe(struct platform_device *pdev,
sru_res = platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN1_SRU);
adg_res = platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN1_ADG);
ssi_res = platform_get_resource(pdev, IORESOURCE_MEM, RSND_GEN1_SSI);
- if (!sru_res ||
- !adg_res ||
- !ssi_res) {
- dev_err(dev, "Not enough SRU/SSI/ADG platform resources.\n");
- return -ENODEV;
- }
-
- gen->ops = &rsnd_gen1_ops;
gen->base[RSND_GEN1_SRU] = devm_ioremap_resource(dev, sru_res);
gen->base[RSND_GEN1_ADG] = devm_ioremap_resource(dev, adg_res);
gen->base[RSND_GEN1_SSI] = devm_ioremap_resource(dev, ssi_res);
- if (!gen->base[RSND_GEN1_SRU] ||
- !gen->base[RSND_GEN1_ADG] ||
- !gen->base[RSND_GEN1_SSI]) {
- dev_err(dev, "SRU/SSI/ADG ioremap failed\n");
+ if (IS_ERR(gen->base[RSND_GEN1_SRU]) ||
+ IS_ERR(gen->base[RSND_GEN1_ADG]) ||
+ IS_ERR(gen->base[RSND_GEN1_SSI]))
return -ENODEV;
- }
+ gen->ops = &rsnd_gen1_ops;
rsnd_gen1_reg_map_init(gen);
dev_dbg(dev, "Gen1 device probed\n");