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authorChristian Brauner <brauner@kernel.org>2023-09-22 13:49:05 +0200
committerChristian Brauner <brauner@kernel.org>2023-09-22 14:09:06 +0200
commit9cf16b380af5bab7d0952b9aad0601ebf986de69 (patch)
tree3874ee5fc0494deab441b041362e733523e96c46 /fs/fsopen.c
parentdede367149c48822c9f699291d71a3211c2a91bb (diff)
fsconfig: ensure that dirfd is set to aux
The code in fs_param_is_fd() expects param->dirfd to be set to the fd that was used to set param->file to initialize result->uint_32. So make sure it's set so users like autofs using FSCONFIG_SET_FD with the new mount api can rely on this to be set to the correct value. Link: https://lore.kernel.org/lkml/20230922-vorbringen-spaghetti-946729122076@brauner Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'fs/fsopen.c')
-rw-r--r--fs/fsopen.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/fsopen.c b/fs/fsopen.c
index ce03f6521c88..6593ae518115 100644
--- a/fs/fsopen.c
+++ b/fs/fsopen.c
@@ -465,6 +465,7 @@ SYSCALL_DEFINE5(fsconfig,
param.file = fget(aux);
if (!param.file)
goto out_key;
+ param.dirfd = aux;
break;
default:
break;