Re: [PATCH] tty/hvc_opal: simplify if-if to if-else

From: Jiri Slaby
Date: Mon Apr 25 2022 - 01:58:02 EST


On 24. 04. 22, 11:25, Wan Jiabing wrote:
Use if and else instead of if(A) and if (!A).

Signed-off-by: Wan Jiabing <wanjiabing@xxxxxxxx>
---
drivers/tty/hvc/hvc_opal.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/tty/hvc/hvc_opal.c b/drivers/tty/hvc/hvc_opal.c
index 84776bc641e6..2dafa0964c2a 100644
--- a/drivers/tty/hvc/hvc_opal.c
+++ b/drivers/tty/hvc/hvc_opal.c
@@ -344,14 +344,15 @@ void __init hvc_opal_init_early(void)
opal = of_find_node_by_path("/ibm,opal/consoles");
if (opal)
pr_devel("hvc_opal: Found consoles in new location\n");
- if (!opal) {
+ else {

This looks good, except missing braces as noted by Joe.

opal = of_find_node_by_path("/ibm,opal");
if (opal)
pr_devel("hvc_opal: "
"Found consoles in old location\n");
+ else
+ return;

I am not sure this return is more obvious than the previous one. Rather the opposite, IMO.

}
- if (!opal)
- return;
+
for_each_child_of_node(opal, np) {
if (of_node_name_eq(np, "serial")) {
stdout_node = np;

thanks,
--
js
suse labs