diff options
| author | Jean Pihet <jean.pihet@newoldbits.com> | 2012-02-01 09:37:31 +0100 |
|---|---|---|
| committer | Kevin Hilman <khilman@ti.com> | 2012-03-06 00:38:02 +0100 |
| commit | 401606fd708885d28ce3c14a2a8fe612f8a6b50f (patch) | |
| tree | c29ad66364c171fc02648914e550484a5dd67efb /arch/arm/mach-omap2/pm-debug.c | |
| parent | ARM: OMAP2+: PM: share clkdms_setup() across OMAP2, 3, 4 (diff) | |
| download | linux-401606fd708885d28ce3c14a2a8fe612f8a6b50f.tar.xz linux-401606fd708885d28ce3c14a2a8fe612f8a6b50f.zip | |
ARM: OMAP2+: PM debug: fix the use of debugfs_create_* API
Check the return code pointer value from debugfs_create_dir for error
or NULL.
Also added an additional check to prevent the creation of a 'suspend'
entry at the debugfs root in case a power domain directory cannot be
created.
Signed-off-by: Jean Pihet <j-pihet@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
Diffstat (limited to 'arch/arm/mach-omap2/pm-debug.c')
| -rw-r--r-- | arch/arm/mach-omap2/pm-debug.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c index 4411163e012d..814bcd901596 100644 --- a/arch/arm/mach-omap2/pm-debug.c +++ b/arch/arm/mach-omap2/pm-debug.c @@ -220,8 +220,8 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm, void *dir) return 0; d = debugfs_create_dir(pwrdm->name, (struct dentry *)dir); - - (void) debugfs_create_file("suspend", S_IRUGO|S_IWUSR, d, + if (!(IS_ERR_OR_NULL(d))) + (void) debugfs_create_file("suspend", S_IRUGO|S_IWUSR, d, (void *)pwrdm, &pwrdm_suspend_fops); return 0; @@ -264,7 +264,7 @@ static int __init pm_dbg_init(void) return 0; d = debugfs_create_dir("pm_debug", NULL); - if (IS_ERR(d)) + if (IS_ERR_OR_NULL(d)) return PTR_ERR(d); (void) debugfs_create_file("count", S_IRUGO, |