The grub_disk_read() function returns grub_errno. Without resetting grub_errno when entering the function, grub_disk_read() might return a previously set error code when it should return success.
Signed-off-by: Glenn Washburn <developm...@efficientek.com> --- grub-core/kern/disk.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/grub-core/kern/disk.c b/grub-core/kern/disk.c index 1eda58fe9a1c..438909e21d07 100644 --- a/grub-core/kern/disk.c +++ b/grub-core/kern/disk.c @@ -417,6 +417,8 @@ grub_err_t grub_disk_read (grub_disk_t disk, grub_disk_addr_t sector, grub_off_t offset, grub_size_t size, void *buf) { + grub_errno = GRUB_ERR_NONE; + /* First of all, check if the region is within the disk. */ if (grub_disk_adjust_range (disk, §or, &offset, size) != GRUB_ERR_NONE) { -- 2.34.1 _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org https://lists.gnu.org/mailman/listinfo/grub-devel