5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Christian Brauner [ Upstream commit 257b1c2c78c25643526609dee0c15f1544eb3252 ] Add a simple helper to put a file reference. Link: https://lore.kernel.org/r/20240719-work-mount-namespace-v1-4-834113cab0d2@kernel.org Reviewed-by: Josef Bacik Reviewed-by: Jeff Layton Signed-off-by: Christian Brauner Signed-off-by: Wentao Guan Signed-off-by: Greg Kroah-Hartman (cherry picked from commit ac275934626a85285cca43405e876566daa10533) Signed-off-by: Lee Jones Signed-off-by: Sasha Levin --- include/linux/file.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/file.h b/include/linux/file.h index 6726240b9279a..fb8a5d22531e0 100644 --- a/include/linux/file.h +++ b/include/linux/file.h @@ -11,6 +11,7 @@ #include #include #include +#include struct file; @@ -95,6 +96,7 @@ extern void put_unused_fd(unsigned int fd); DEFINE_CLASS(get_unused_fd, int, if (_T >= 0) put_unused_fd(_T), get_unused_fd_flags(flags), unsigned flags) +DEFINE_FREE(fput, struct file *, if (!IS_ERR_OR_NULL(_T)) fput(_T)) extern void fd_install(unsigned int fd, struct file *file); -- 2.53.0