From 5cd1a85a6c3f49ad008c008299e0dbe9ac33fba6 Mon Sep 17 00:00:00 2001 From: Jiapeng Chong Date: Sun, 25 Apr 2021 18:40:58 +0800 Subject: of: overlay: Remove redundant assignment to ret Variable ret is set to zero but this value is never read as it is overwritten with a new value later on, hence it is a redundant assignment and can be removed. Cleans up the following clang-analyzer warning: drivers/of/overlay.c:1197:2: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores]. drivers/of/overlay.c:1026:2: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores]. Reported-by: Abaci Robot Signed-off-by: Jiapeng Chong Link: https://lore.kernel.org/r/1619347258-55002-1-git-send-email-jiapeng.chong@linux.alibaba.com Signed-off-by: Rob Herring --- drivers/of/overlay.c | 3 --- 1 file changed, 3 deletions(-) (limited to 'drivers/of') diff --git a/drivers/of/overlay.c b/drivers/of/overlay.c index 180c6fb3ef36..d80160cf34bb 100644 --- a/drivers/of/overlay.c +++ b/drivers/of/overlay.c @@ -1024,7 +1024,6 @@ int of_overlay_fdt_apply(const void *overlay_fdt, u32 overlay_fdt_size, struct device_node *overlay_root = NULL; *ovcs_id = 0; - ret = 0; if (overlay_fdt_size < sizeof(struct fdt_header) || fdt_check_header(overlay_fdt)) { @@ -1195,8 +1194,6 @@ int of_overlay_remove(int *ovcs_id) struct overlay_changeset *ovcs; int ret, ret_apply, ret_tmp; - ret = 0; - if (devicetree_corrupt()) { pr_err("suspect devicetree state, refuse to remove overlay\n"); ret = -EBUSY; -- cgit v1.2.3