cast to pointer from integer of different size [-Wint-to-pointer-cast]

converting a packed 'struct jffs2_sum_inode_mem' pointer (alignment 1) to a 'union jffs2_sum_mem' pointer (alignment 4) may result in an unaligned pointer value [-Waddress-of-packed-member]

converting a packed 'struct jffs2_sum_dirent_mem' pointer (alignment 1) to a 'union jffs2_sum_mem' pointer (alignment 4) may result in an unaligned pointer value [-Waddress-of-packed-member]

converting a packed 'struct jffs2_sum_inode_mem' pointer (alignment 1) to a 'union jffs2_sum_mem' pointer (alignment 4) may result in an unaligned pointer value [-Waddress-of-packed-member]

converting a packed 'struct jffs2_sum_dirent_mem' pointer (alignment 1) to a 'union jffs2_sum_mem' pointer (alignment 4) may result in an unaligned pointer value [-Waddress-of-packed-member]

initialization of 'void (*)(void *, oid_t *, const void *, void *)' {aka 'void (*)(void *, struct _oid_t *, const void *, void *)'} from incompatible pointer type 'int (*)(void *, oid_t *, const void *, void *)' {aka 'int (*)(void *, struct _oid_t *, const void *, void *)'} [-Wincompatible-pointer-types]