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fsconfig: ensure that dirfd is set to aux

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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>
This commit is contained in:
Christian Brauner 2023-09-22 13:49:05 +02:00
parent dede367149
commit 9cf16b380a
1 changed files with 1 additions and 0 deletions
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fs/fsopen.c
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@ -465,6 +465,7 @@ SYSCALL_DEFINE5(fsconfig,
param.file = fget(aux);
if (!param.file)
goto out_key;
param.dirfd = aux;
break;
default:
break;