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]

ignoring return value of 'fgets' declared with attribute 'warn_unused_result' [-Wunused-result]

ignoring return value of 'fgets' declared with attribute 'warn_unused_result' [-Wunused-result]

ignoring return value of 'fgets' declared with attribute 'warn_unused_result' [-Wunused-result]

ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]

ignoring return value of 'pipe' declared with attribute 'warn_unused_result' [-Wunused-result]