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HSI: omap_ssi_port: Fix return value check in ssi_debug_add_port()

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In case of error, the function debugfs_create_*() returns NULL
pointer not ERR_PTR() if debugfs is enabled. The IS_ERR() test
in the return value check should be replaced with NULL test.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This commit is contained in:
Wei Yongjun 2014-07-30 08:53:20 +08:00 committed by Sebastian Reichel
parent 0a0ea07d3d
commit c2acb7c4d5
1 changed files with 4 additions and 4 deletions
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8
drivers/hsi/controllers/omap_ssi_port.c
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@ -177,13 +177,13 @@ static int __init ssi_debug_add_port(struct omap_ssi_port *omap_port,
struct hsi_port *port = to_hsi_port(omap_port->dev);
dir = debugfs_create_dir(dev_name(omap_port->dev), dir);
if (IS_ERR(dir))
return PTR_ERR(dir);
if (!dir)
return -ENOMEM;
omap_port->dir = dir;
debugfs_create_file("regs", S_IRUGO, dir, port, &ssi_port_regs_fops);
dir = debugfs_create_dir("sst", dir);
if (IS_ERR(dir))
return PTR_ERR(dir);
if (!dir)
return -ENOMEM;
debugfs_create_file("divisor", S_IRUGO | S_IWUSR, dir, port,
&ssi_sst_div_fops);