rtc: m41t80: return NULL rather than a plain 0 integer
authorColin Ian King <colin.king@canonical.com>
Sat, 25 Sep 2021 22:34:41 +0000 (23:34 +0100)
committerAlexandre Belloni <alexandre.belloni@bootlin.com>
Fri, 1 Oct 2021 21:31:29 +0000 (23:31 +0200)
commit7caadcfa8a7c6f8e754d982b99d959a222e7f863
tree67e8322dd036d3a5c53ecd221bfac83e20cad9e7
parentf3606687b447c41d28a011c98373b62b1cd52345
rtc: m41t80: return NULL rather than a plain 0 integer

Function m41t80_sqw_register_clk returns a pointer to struct clk,
so returning a plain 0 integer isn't good practice. Fix this by
returning a NULL instead.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210925223441.182673-1-colin.king@canonical.com
drivers/rtc/rtc-m41t80.c