usb: musb: debugfs: fix error check
authorFelipe Balbi <balbi@ti.com>
Tue, 31 Jan 2012 12:19:00 +0000 (14:19 +0200)
committerFelipe Balbi <balbi@ti.com>
Wed, 1 Feb 2012 09:02:46 +0000 (11:02 +0200)
debugfs will return NULL on failure, so
we must check for !ptr instead of IS_ERR(ptr).

Signed-off-by: Felipe Balbi <balbi@ti.com>

No differences found