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From: B Horn <b@horn.uk>
Date: Sun, 12 May 2024 06:15:03 +0100
Subject: 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 <b@horn.uk>
Signed-off-by: B Horn <b@horn.uk>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
---
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 855e246..db8a65f 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;
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