Remove self-assignments of unused paramters

Use casts to void instead. Clang generates warnings about that by
default.

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

2 files changed, 8 insertions, 10 deletions

diff --git a/lib/libubi.c b/lib/libubi.c
index dcf6337..b50e68a 100644
--- a/lib/libubi.c
+++ b/lib/libubi.c
@@ -835,8 +835,7 @@ int ubi_detach(libubi_t desc, const char *node, const char *mtd_dev_node)
 int ubi_remove_dev(libubi_t desc, const char *node, int ubi_dev)
 {
 	int fd, ret;
-
-	desc = desc;
+	(void)desc;
 
 	fd = open(node, O_RDONLY);
 	if (fd == -1)
@@ -993,10 +992,10 @@ int ubi_mkvol(libubi_t desc, const char *node, struct ubi_mkvol_request *req)
 	int fd, ret;
 	struct ubi_mkvol_req r;
 	size_t n;
+	(void)desc;
 
 	memset(&r, 0, sizeof(struct ubi_mkvol_req));
 
-	desc = desc;
 	r.vol_id = req->vol_id;
 	r.alignment = req->alignment;
 	r.bytes = req->bytes;
@@ -1009,7 +1008,6 @@ int ubi_mkvol(libubi_t desc, const char *node, struct ubi_mkvol_request *req)
 	strncpy(r.name, req->name, UBI_MAX_VOLUME_NAME + 1);
 	r.name_len = n;
 
-	desc = desc;
 	fd = open(node, O_RDONLY);
 	if (fd == -1)
 		return sys_errmsg("cannot open \"%s\"", node);
@@ -1029,8 +1027,8 @@ int ubi_mkvol(libubi_t desc, const char *node, struct ubi_mkvol_request *req)
 int ubi_rmvol(libubi_t desc, const char *node, int vol_id)
 {
 	int fd, ret;
+	(void)desc;
 
-	desc = desc;
 	fd = open(node, O_RDONLY);
 	if (fd == -1)
 		return sys_errmsg("cannot open \"%s\"", node);
@@ -1049,8 +1047,8 @@ int ubi_rmvol(libubi_t desc, const char *node, int vol_id)
 int ubi_rnvols(libubi_t desc, const char *node, struct ubi_rnvol_req *rnvol)
 {
 	int fd, ret;
+	(void)desc;
 
-	desc = desc;
 	fd = open(node, O_RDONLY);
 	if (fd == -1)
 		return -1;
@@ -1070,8 +1068,8 @@ int ubi_rsvol(libubi_t desc, const char *node, int vol_id, long long bytes)
 {
 	int fd, ret;
 	struct ubi_rsvol_req req;
+	(void)desc;
 
-	desc = desc;
 	fd = open(node, O_RDONLY);
 	if (fd == -1)
 		return sys_errmsg("cannot open \"%s\"", node);
@@ -1096,7 +1094,7 @@ int ubi_vol_block_remove(int fd)
 
 int ubi_update_start(libubi_t desc, int fd, long long bytes)
 {
-	desc = desc;
+	(void)desc;
 	if (ioctl(fd, UBI_IOCVOLUP, &bytes))
 		return -1;
 	return 0;
@@ -1105,8 +1103,8 @@ int ubi_update_start(libubi_t desc, int fd, long long bytes)
 int ubi_leb_change_start(libubi_t desc, int fd, int lnum, int bytes)
 {
 	struct ubi_leb_change_req req;
+	(void)desc;
 
-	desc = desc;
 	memset(&req, 0, sizeof(struct ubi_leb_change_req));
 	req.lnum = lnum;
 	req.bytes = bytes;
diff --git a/ubifs-utils/mkfs.ubifs/key.h b/ubifs-utils/mkfs.ubifs/key.h
index cd4b849..c16d0a8 100644
--- a/ubifs-utils/mkfs.ubifs/key.h
+++ b/ubifs-utils/mkfs.ubifs/key.h
@@ -64,8 +64,8 @@ static inline uint32_t key_r5_hash(const char *s, int len)
 {
 	uint32_t a = 0;
 	const signed char *str = (const signed char *)s;
+	(void)len;
 
-	len = len;
 	while (*str) {
 		a += *str << 4;
 		a += *str >> 4;