In case ioremap fails, the fix returns -ENOMEM to avoid NULL pointer dereference. Signed-off-by: Kangjie Lu <kjlu@xxxxxxx> --- drivers/media/platform/davinci/vpss.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/media/platform/davinci/vpss.c b/drivers/media/platform/davinci/vpss.c index 19cf6853411e..f7beed2de9cb 100644 --- a/drivers/media/platform/davinci/vpss.c +++ b/drivers/media/platform/davinci/vpss.c @@ -518,6 +518,9 @@ static int __init vpss_init(void) return -EBUSY; oper_cfg.vpss_regs_base2 = ioremap(VPSS_CLK_CTRL, 4); + if (unlikely(!oper_cfg.vpss_regs_base2)) + return -ENOMEM; + writel(VPSS_CLK_CTRL_VENCCLKEN | VPSS_CLK_CTRL_DACCLKEN, oper_cfg.vpss_regs_base2); -- 2.17.1
