[PATCH 2/3] ext4: fix mount parameters check for empty values

Luis Henriques
2024-02-29T16:30:18Z

Now that parameters that have the flag 'fs_param_can_be_empty' set and
their value is NULL are handled as 'flag' type, we need to properly check
for empty (NULL) values.

Signed-off-by: Luis Henriques <lhenriques@suse.de>
---
fs/ext4/super.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 0f931d0c227d..44ba2212dfb3 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2183,12 +2183,12 @@ static int ext4_parse_param(struct fs_context *fc, struct fs_parameter *param)
switch (token) {
#ifdef CONFIG_QUOTA
case Opt_usrjquota:
- if (!*param->string)
+ if (!param->string)
return unnote_qf_name(fc, USRQUOTA);
else
return note_qf_name(fc, USRQUOTA, param);
case Opt_grpjquota:
- if (!*param->string)
+ if (!param->string)
return unnote_qf_name(fc, GRPQUOTA);
else
return note_qf_name(fc, GRPQUOTA, param);