libmount: cleanup assert() usage

Signed-off-by: Karel Zak <kzak@redhat.com>

6 files changed, 6 insertions, 54 deletions

diff --git a/libmount/src/context.c b/libmount/src/context.c
index ec04191fc..5ab0b794e 100644
--- a/libmount/src/context.c
+++ b/libmount/src/context.c
@@ -259,7 +259,6 @@ const char *mnt_context_get_writable_tabpath(struct libmnt_context *cxt)
 
 static int set_flag(struct libmnt_context *cxt, int flag, int enable)
 {
-	assert(cxt);
 	if (!cxt)
 		return -EINVAL;
 	if (enable) {
@@ -1391,7 +1390,6 @@ int mnt_context_get_mflags(struct libmnt_context *cxt, unsigned long *flags)
  */
 int mnt_context_set_user_mflags(struct libmnt_context *cxt, unsigned long flags)
 {
-	assert(cxt);
 	if (!cxt)
 		return -EINVAL;
 	cxt->user_mountflags = flags;
@@ -1464,9 +1462,6 @@ int mnt_context_prepare_srcpath(struct libmnt_context *cxt)
 	assert(cxt->fs);
 	assert((cxt->flags & MNT_FL_MOUNTFLAGS_MERGED));
 
-	if (!cxt || !cxt->fs)
-		return -EINVAL;
-
 	DBG(CXT, ul_debugobj(cxt, "preparing source path"));
 
 	src = mnt_fs_get_source(cxt->fs);
@@ -1582,9 +1577,6 @@ int mnt_context_prepare_target(struct libmnt_context *cxt)
 	assert(cxt->fs);
 	assert((cxt->flags & MNT_FL_MOUNTFLAGS_MERGED));
 
-	if (!cxt || !cxt->fs)
-		return -EINVAL;
-
 	DBG(CXT, ul_debugobj(cxt, "preparing target path"));
 
 	tgt = mnt_fs_get_target(cxt->fs);
@@ -1667,9 +1659,6 @@ int mnt_context_guess_fstype(struct libmnt_context *cxt)
 
 	DBG(CXT, ul_debugobj(cxt, "preparing fstype"));
 
-	if (!cxt || !cxt->fs)
-		return -EINVAL;
-
 	if ((cxt->mountflags & (MS_BIND | MS_MOVE))
 	    || mnt_context_propagation_only(cxt))
 		goto none;
@@ -1921,9 +1910,6 @@ static int apply_table(struct libmnt_context *cxt, struct libmnt_table *tb,
 	assert(cxt);
 	assert(cxt->fs);
 
-	if (!cxt->fs)
-		return -EINVAL;
-
 	src = mnt_fs_get_source(cxt->fs);
 	tgt = mnt_fs_get_target(cxt->fs);
 
diff --git a/libmount/src/context_loopdev.c b/libmount/src/context_loopdev.c
index 68b8dabc9..787114228 100644
--- a/libmount/src/context_loopdev.c
+++ b/libmount/src/context_loopdev.c
@@ -147,9 +147,6 @@ int mnt_context_setup_loopdev(struct libmnt_context *cxt)
 	assert(cxt->fs);
 	assert((cxt->flags & MNT_FL_MOUNTFLAGS_MERGED));
 
-	if (!cxt)
-		return -EINVAL;
-
 	backing_file = mnt_fs_get_srcpath(cxt->fs);
 	if (!backing_file)
 		return -EINVAL;
@@ -317,9 +314,6 @@ int mnt_context_delete_loopdev(struct libmnt_context *cxt)
 	assert(cxt);
 	assert(cxt->fs);
 
-	if (!cxt)
-		return -EINVAL;
-
 	src = mnt_fs_get_srcpath(cxt->fs);
 	if (!src)
 		return -EINVAL;
@@ -343,9 +337,6 @@ int mnt_context_clear_loopdev(struct libmnt_context *cxt)
 {
 	assert(cxt);
 
-	if (!cxt)
-		return -EINVAL;
-
 	if (mnt_context_get_status(cxt) == 0 &&
 	    (cxt->flags & MNT_FL_LOOPDEV_READY)) {
 		/*
diff --git a/libmount/src/context_mount.c b/libmount/src/context_mount.c
index 210f0f169..63cba216b 100644
--- a/libmount/src/context_mount.c
+++ b/libmount/src/context_mount.c
@@ -159,11 +159,8 @@ static int fix_optstr(struct libmnt_context *cxt)
 	};
 #endif
 	assert(cxt);
-	assert(cxt->fs);
 	assert((cxt->flags & MNT_FL_MOUNTFLAGS_MERGED));
 
-	if (!cxt)
-		return -EINVAL;
 	if (!cxt->fs || (cxt->flags & MNT_FL_MOUNTOPTS_FIXED))
 		return 0;
 
@@ -390,11 +387,8 @@ static int evaluate_permissions(struct libmnt_context *cxt)
 	unsigned long u_flags = 0;
 
 	assert(cxt);
-	assert(cxt->fs);
 	assert((cxt->flags & MNT_FL_MOUNTFLAGS_MERGED));
 
-	if (!cxt)
-		return -EINVAL;
 	if (!cxt->fs)
 		return 0;
 
@@ -816,7 +810,6 @@ static int do_mount_by_pattern(struct libmnt_context *cxt, const char *pattern)
 	assert(cxt);
 	assert((cxt->flags & MNT_FL_MOUNTFLAGS_MERGED));
 
-
 	/*
 	 * Use the pattern as list of the filesystems
 	 */
@@ -861,11 +854,6 @@ int mnt_context_prepare_mount(struct libmnt_context *cxt)
 {
 	int rc = -EINVAL;
 
-	assert(cxt);
-	assert(cxt->fs);
-	assert(cxt->helper_exec_status == 1);
-	assert(cxt->syscall_status == 1);
-
 	if (!cxt || !cxt->fs || mnt_fs_is_swaparea(cxt->fs))
 		return -EINVAL;
 	if (!mnt_fs_get_source(cxt->fs) && !mnt_fs_get_target(cxt->fs))
@@ -873,6 +861,9 @@ int mnt_context_prepare_mount(struct libmnt_context *cxt)
 	if (cxt->flags & MNT_FL_PREPARED)
 		return 0;
 
+	assert(cxt->helper_exec_status == 1);
+	assert(cxt->syscall_status == 1);
+
 	cxt->action = MNT_ACT_MOUNT;
 
 	DBG(CXT, ul_debugobj(cxt, "mount: preparing"));
diff --git a/libmount/src/context_umount.c b/libmount/src/context_umount.c
index 134c92b6e..c4e9ebbee 100644
--- a/libmount/src/context_umount.c
+++ b/libmount/src/context_umount.c
@@ -368,9 +368,6 @@ static int evaluate_permissions(struct libmnt_context *cxt)
 	assert(cxt->fs);
 	assert((cxt->flags & MNT_FL_MOUNTFLAGS_MERGED));
 
-	if (!cxt || !cxt->fs)
-		return -EINVAL;
-
 	if (!mnt_context_is_restricted(cxt))
 		 return 0;		/* superuser mount */
 
@@ -749,11 +746,6 @@ int mnt_context_prepare_umount(struct libmnt_context *cxt)
 {
 	int rc;
 
-	assert(cxt);
-	assert(cxt->fs);
-	assert(cxt->helper_exec_status == 1);
-	assert(cxt->syscall_status == 1);
-
 	if (!cxt || !cxt->fs || mnt_fs_is_swaparea(cxt->fs))
 		return -EINVAL;
 	if (!mnt_context_get_source(cxt) && !mnt_context_get_target(cxt))
@@ -761,6 +753,9 @@ int mnt_context_prepare_umount(struct libmnt_context *cxt)
 	if (cxt->flags & MNT_FL_PREPARED)
 		return 0;
 
+	assert(cxt->helper_exec_status == 1);
+	assert(cxt->syscall_status == 1);
+
 	free(cxt->helper);	/* be paranoid */
 	cxt->helper = NULL;
 	cxt->action = MNT_ACT_UMOUNT;
diff --git a/libmount/src/monitor.c b/libmount/src/monitor.c
index c33e7d3c6..18142da5c 100644
--- a/libmount/src/monitor.c
+++ b/libmount/src/monitor.c
@@ -168,9 +168,6 @@ static int monitor_next_entry(struct libmnt_monitor *mn,
 	assert(itr);
 	assert(me);
 
-	if (!mn || !itr || !me)
-		return -EINVAL;
-
 	*me = NULL;
 
 	if (!itr->head)
@@ -277,9 +274,6 @@ static int userspace_monitor_get_fd(struct libmnt_monitor *mn,
 {
 	int rc;
 
-	assert(mn);
-	assert(me);
-
 	if (!me || me->enable == 0)	/* not-initialized or disabled */
 		return -EINVAL;
 	if (me->fd >= 0)
@@ -457,9 +451,6 @@ static int kernel_monitor_get_fd(struct libmnt_monitor *mn,
 {
 	int rc;
 
-	assert(mn);
-	assert(me);
-
 	if (!me || me->enable == 0)	/* not-initialized or disabled */
 		return -EINVAL;
 	if (me->fd >= 0)
diff --git a/libmount/src/tab.c b/libmount/src/tab.c
index 09896ccb6..d616547c8 100644
--- a/libmount/src/tab.c
+++ b/libmount/src/tab.c
@@ -1148,8 +1148,6 @@ struct libmnt_fs *mnt_table_find_devno(struct libmnt_table *tb,
 	struct libmnt_fs *fs = NULL;
 	struct libmnt_iter itr;
 
-	assert(tb);
-
 	if (!tb)
 		return NULL;
 	if (direction != MNT_ITER_FORWARD && direction != MNT_ITER_BACKWARD)