[PATCH v2 1/2] autofs: fix missing fput for FSCONFIG_SET_FD

From: Aleksa Sarai
Date: Wed Jul 31 2024 - 09:18:48 EST


If you pass an fd using FSCONFIG_SET_FD, autofs_parse_fd() "steals" the
param->file and so the fs_context infrastructure will not do fput() for
us.

Fixes: e6ec453bd0f0 ("autofs: convert autofs to use the new mount api")
Signed-off-by: Aleksa Sarai <cyphar@xxxxxxxxxx>
---
fs/autofs/inode.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/autofs/inode.c b/fs/autofs/inode.c
index cf792d4de4f1..64faa6c51f60 100644
--- a/fs/autofs/inode.c
+++ b/fs/autofs/inode.c
@@ -172,8 +172,7 @@ static int autofs_parse_fd(struct fs_context *fc, struct autofs_sb_info *sbi,
ret = autofs_check_pipe(pipe);
if (ret < 0) {
errorf(fc, "Invalid/unusable pipe");
- if (param->type != fs_value_is_file)
- fput(pipe);
+ fput(pipe);
return -EBADF;
}


--
2.45.2