[PATCH] Fix debugfs_create_dir's error checking method for arm/plat-omap

From: Zhaolei
Date: Fri Oct 17 2008 - 05:24:23 EST


debugfs_create_dir() returns NULL if an error occurs, returns -ENODEV
when debugfs is not enabled in the kernel.

Signed-off-by: Zhao Lei <zhaolei@xxxxxxxxxxxxxx>
arch/arm/plat-omap/clock.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index bf6a10c..0767985 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -483,6 +483,8 @@ static int __init clk_debugfs_init(void)
int err;

d = debugfs_create_dir("clock", NULL);
+ if (!d)
+ return -ENOMEM;
if (IS_ERR(d))
return PTR_ERR(d);
clk_debugfs_root = d;

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