ext4: fix incorrect inodes per group in error message

BugLink: https://bugs.launchpad.net/bugs/1874111
commit b9c538da4e52a7b79dfcf4cfa487c46125066dfb upstream.

If ext4_fill_super detects an invalid number of inodes per group, the
resulting error message printed the number of blocks per group, rather
than the number of inodes per group. Fix it to print the correct value.

Fixes: cd6bb35bf7f6d ("ext4: use more strict checks for inodes_per_block on mount")
Link: https://lore.kernel.org/r/8be03355983a08e5d4eed480944613454d7e2550.1585434649.git.josh@joshtriplett.org
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Kelsey Skunberg <kelsey.skunberg@canonical.com>

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index cae1f1dc89b04f0a8f8e240fad0e7d345ea74059..a1eca6d30643f610d3d30408110dcea1f6a804da 100644 (file)
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -4109,7 +4109,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
        if (sbi->s_inodes_per_group < sbi->s_inodes_per_block ||
            sbi->s_inodes_per_group > blocksize * 8) {
                ext4_msg(sb, KERN_ERR, "invalid inodes per group: %lu\n",
-                        sbi->s_blocks_per_group);
+                        sbi->s_inodes_per_group);
                goto failed_mount;
        }
        sbi->s_itb_per_group = sbi->s_inodes_per_group /