Add a wrapper for testing system_info which will handle also NULL
system infos.
This will be used by the ata PIIX driver.
Signed-off-by: Jiri Slaby <jirislaby@xxxxxxxxx>
Cc: Jeff Garzik <jgarzik@xxxxxxxxxx>
Cc: Alexandru Romanescu <a_romanescu@xxxxxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Cc: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
---
drivers/firmware/dmi_scan.c | 16 ++++++++++++++++
include/linux/dmi.h | 3 +++
2 files changed, 19 insertions(+), 0 deletions(-)