[PATCH 22/25] libselinux: drop redundant casts to the same type

["Christian Göttsche" <cgzones@googlemail.com>]

Found by clang-tidy.

Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
---
 libselinux/src/audit2why.c            | 2 +-
 libselinux/src/avc_sidtab.c           | 2 +-
 libselinux/src/is_customizable_type.c | 2 +-
 libselinux/src/selinux_restorecon.c   | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/libselinux/src/audit2why.c b/libselinux/src/audit2why.c
index d56b56eb..029f874f 100644
--- a/libselinux/src/audit2why.c
+++ b/libselinux/src/audit2why.c
@@ -275,7 +275,7 @@ static int __policy_init(const char *init_path)
 	}
 
 	sepol_bool_iterate(avc->handle, avc->policydb,
-			   load_booleans, (void *)NULL);
+			   load_booleans, NULL);
 
 	/* Initialize the sidtab for subsequent use by sepol_context_to_sid
 	   and sepol_compute_av_reason. */
diff --git a/libselinux/src/avc_sidtab.c b/libselinux/src/avc_sidtab.c
index 8dc87560..8c81cf65 100644
--- a/libselinux/src/avc_sidtab.c
+++ b/libselinux/src/avc_sidtab.c
@@ -56,7 +56,7 @@ int sidtab_insert(struct sidtab *s, const char * ctx)
 		rc = -1;
 		goto out;
 	}
-	newctx = (char *) strdup(ctx);
+	newctx = strdup(ctx);
 	if (!newctx) {
 		rc = -1;
 		avc_free(newnode);
diff --git a/libselinux/src/is_customizable_type.c b/libselinux/src/is_customizable_type.c
index 92876f4d..1b17860c 100644
--- a/libselinux/src/is_customizable_type.c
+++ b/libselinux/src/is_customizable_type.c
@@ -38,7 +38,7 @@ static int get_customizable_type_list(char *** retlist)
 			while (fgets_unlocked(buf, selinux_page_size, fp)
 			       && i < ctr) {
 				buf[strlen(buf) - 1] = 0;
-				list[i] = (char *) strdup(buf);
+				list[i] = strdup(buf);
 				if (!list[i]) {
 					unsigned int j;
 					for (j = 0; j < i; j++)
diff --git a/libselinux/src/selinux_restorecon.c b/libselinux/src/selinux_restorecon.c
index 6fb9e1ff..999aa924 100644
--- a/libselinux/src/selinux_restorecon.c
+++ b/libselinux/src/selinux_restorecon.c
@@ -1152,7 +1152,7 @@ void selinux_restorecon_set_sehandle(struct selabel_handle *hndl)
 	unsigned char *fc_digest;
 	size_t num_specfiles, fc_digest_len;
 
-	fc_sehandle = (struct selabel_handle *) hndl;
+	fc_sehandle = hndl;
 	if (!fc_sehandle)
 		return;
 
-- 
2.31.1