From: Jesse Millan Subject: [KJ] [PATCH] GCC4 warning: control may reach end of non-void function 'put_compat_shminfo' being inlined Signed-off-by: Jesse Millan GCC complains because the function put_compat_shminfo() can't get to its return statement if there is no error... If the function does not return -EFALUT, it doesn't return anything at all. Looks like a typo. --- compat.c | 1 + 1 files changed, 1 insertion(+) Index: quilt/ipc/compat.c =================================================================== --- quilt.orig/ipc/compat.c +++ quilt/ipc/compat.c @@ -572,6 +572,7 @@ static inline int put_compat_shminfo(str err |= __put_user(smi->shmmni, &up->shmmni); err |= __put_user(smi->shmseg, &up->shmseg); err |= __put_user(smi->shmall, &up->shmall); + return err; } static inline int put_compat_shm_info(struct shm_info __user *ip,