From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: B Horn Date: Sun, 12 May 2024 06:15:03 +0100 Subject: [PATCH] fs/f2fs: Set a grub_errno if mount fails It was previously possible for grub_errno to not be set when grub_f2fs_mount() failed if nat_bitmap_ptr() returned NULL. This issue is solved by ensuring a grub_errno is set in the fail case. Reported-by: B Horn Signed-off-by: B Horn Reviewed-by: Daniel Kiper --- grub-core/fs/f2fs.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/grub-core/fs/f2fs.c b/grub-core/fs/f2fs.c index df6beb544..f7daa9435 100644 --- a/grub-core/fs/f2fs.c +++ b/grub-core/fs/f2fs.c @@ -872,6 +872,9 @@ grub_f2fs_mount (grub_disk_t disk) return data; fail: + if (grub_errno == GRUB_ERR_NONE) + grub_error (GRUB_ERR_BAD_FS, "not a F2FS filesystem"); + grub_free (data); return NULL;