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Commit 401606fd authored by Jean Pihet's avatar Jean Pihet Committed by Kevin Hilman
Browse files

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: default avatarJean Pihet <j-pihet@ti.com>
Signed-off-by: default avatarKevin Hilman <khilman@ti.com>
parent 92206fd2

arch/arm/mach-omap2/pm-debug.c

+3 −3
Original line number Diff line number Diff line
@@ -220,7 +220,7 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm, void *dir) 
		return 0;



	d = debugfs_create_dir(pwrdm->name, (struct dentry *)dir);



	if (!(IS_ERR_OR_NULL(d)))

		(void) debugfs_create_file("suspend", S_IRUGO|S_IWUSR, d,

			(void *)pwrdm, &pwrdm_suspend_fops);
@@ -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,