hfs: Fix gcc9 error -Waddress-of-packed-member

Simply adds the missing packed attribute to 'struct grub_hfs_extent'.

[   83s] ../grub-core/fs/hfs.c: In function 'grub_hfs_iterate_records':
[   83s] ../grub-core/fs/hfs.c:699:9: error: taking address of packed member of 'struct grub_hfs_sblock' may result in an unaligned pointer value [-Werror=address-of-packed-member]
[   83s]   699 |      ? (&data->sblock.catalog_recs)
[   83s]       |        ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
[   83s] ../grub-core/fs/hfs.c:700:9: error: taking address of packed member of 'struct grub_hfs_sblock' may result in an unaligned pointer value [-Werror=address-of-packed-member]
[   83s]   700 |      : (&data->sblock.extent_recs));
[   83s]       |        ~^~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Michael Chang <mchang@suse.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>

diff --git a/include/grub/hfs.h b/include/grub/hfs.h
index d935f5005c30fce4fe850985d78d5cb41bbef001..e27993c42e270f2dc9bac9dd915d6a3169fe1445 100644 (file)
--- a/include/grub/hfs.h
+++ b/include/grub/hfs.h
@@ -29,7 +29,7 @@ struct grub_hfs_extent
   /* The first physical block.  */
   grub_uint16_t first_block;
   grub_uint16_t count;
-};
+} GRUB_PACKED;
 
 /* HFS stores extents in groups of 3.  */
 typedef struct grub_hfs_extent grub_hfs_datarecord_t[3];