e4defrag: fix GCC7.x compiler warning

../../misc/e4defrag.c:1821:8: warning: statement will never be executed
[-Wswitch-unreachable]
    int mount_dir_len = 0;

Also fix a typo in a few comments.

Signed-off-by: Marc Thomas <marc@dragonfly.plus.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/misc/e4defrag.c b/misc/e4defrag.c
index 84501d1..5fa85b6 100644 (file)
--- a/misc/e4defrag.c
+++ b/misc/e4defrag.c
@@ -1675,6 +1675,7 @@ int main(int argc, char *argv[])
        int     i, j, ret = 0;
        int     flags = FTW_PHYS | FTW_MOUNT;
        int     arg_type = -1;
+       int     mount_dir_len = 0;
        int     success_flag = 0;
        char    dir_name[PATH_MAX + 1];
        char    dev_name[PATH_MAX + 1];
@@ -1818,7 +1819,6 @@ int main(int argc, char *argv[])
                }
 
                switch (arg_type) {
-                       int mount_dir_len = 0;
 
                case DIRNAME:
                        if (!(mode_flag & STATISTIC))
@@ -1830,11 +1830,11 @@ int main(int argc, char *argv[])
                        strncat(lost_found_dir, "/lost+found",
                                PATH_MAX - strnlen(lost_found_dir, PATH_MAX));
 
-                       /* Not the case("e4defrag  mount_piont_dir") */
+                       /* Not the case("e4defrag  mount_point_dir") */
                        if (dir_name[mount_dir_len] != '\0') {
                                /*
-                                * "e4defrag mount_piont_dir/lost+found"
-                                * or "e4defrag mount_piont_dir/lost+found/"
+                                * "e4defrag mount_point_dir/lost+found"
+                                * or "e4defrag mount_point_dir/lost+found/"
                                 */
                                if (strncmp(lost_found_dir, dir_name,
                                            strnlen(lost_found_dir,
@@ -1848,7 +1848,7 @@ int main(int argc, char *argv[])
                                        continue;
                                }
 
-                               /* "e4defrag mount_piont_dir/else_dir" */
+                               /* "e4defrag mount_point_dir/else_dir" */
                                memset(lost_found_dir, 0, PATH_MAX + 1);
                        }
                case DEVNAME: