ata: sata_mv:- Handle return value of devm_ioremap.

Here, If devm_ioremap will fail. It will return NULL.
Then hpriv->base = NULL - 0x20000; Kernel can run into
a NULL-pointer dereference. This error check will avoid
NULL pointer dereference.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org

path: root/sound/usb/mixer_scarlett.h

#ifndef __USB_MIXER_SCARLETT_H
#define __USB_MIXER_SCARLETT_H

int snd_scarlett_controls_create(struct usb_mixer_interface *mixer);

#endif /* __USB_MIXER_SCARLETT_H */