ramfs_parse_param does not parse key "source", and will convert
-ENOPARAM to 0. This will skip vfs_parse_fs_param_source in
vfs_parse_fs_param, which lead always "none" mount source for ramfs. Fix
it by parse "source" in ramfs_parse_param like cgroup1_parse_param has
do.
Signed-off-by: yangerkun <yangerkun@xxxxxxxxxx>
---
fs/ramfs/inode.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c
index 65e7e56005b8..df4515d39cd4 100644
--- a/fs/ramfs/inode.c
+++ b/fs/ramfs/inode.c
@@ -203,17 +203,20 @@ static int ramfs_parse_param(struct fs_context *fc, struct fs_parameter *param)
int opt;
opt = fs_parse(fc, ramfs_fs_parameters, param, &result);
- if (opt < 0) {
+ if (opt == -ENOPARAM) {
+ opt = vfs_parse_fs_param_source(fc, param);
+ if (opt != -ENOPARAM)
+ return opt;
/*
* We might like to report bad mount options here;
* but traditionally ramfs has ignored all mount options,
* and as it is used as a !CONFIG_SHMEM simple substitute
* for tmpfs, better continue to ignore other mount options.
*/
- if (opt == -ENOPARAM)
- opt = 0;
- return opt;
+ return 0;
}
+ if (opt < 0)
+ return opt;
switch (opt) {
case Opt_mode:
--
2.31.1
