Hi, Will this patch : ------------------------------------------------------- --- /vservers/kernel/linux-4.1.46/kernel/vserver/proc.c 2017-11-15 13:58:57.568589199 +0100 +++ /vservers/kernel/linux-4.1.48/kernel/vserver/proc.c 2017-12-28 18:36:05.386565789 +0100 @@ -617,13 +617,13 @@ switch (ctx->pos) { case 0: ino = inode->i_ino; - if (!dir_emit(ctx, ".", 1, ino, DT_DIR) < 0) + if ( dir_emit(ctx, ".", 1, ino, DT_DIR) ) goto out; ctx->pos++; /* fall through */ case 1: ino = parent_ino(dentry); - if (!dir_emit(ctx, "..", 2, ino, DT_DIR) < 0) + if (dir_emit(ctx, "..", 2, ino, DT_DIR)) goto out; ctx->pos++; /* fall through */ @@ -698,13 +698,13 @@ switch (ctx->pos) { case 0: ino = inode->i_ino; - if (!dir_emit(ctx, ".", 1, ino, DT_DIR) < 0) + if ( dir_emit(ctx, ".", 1, ino, DT_DIR) ) goto out; ctx->pos++; /* fall through */ case 1: ino = parent_ino(dentry); - if (!dir_emit(ctx, "..", 2, ino, DT_DIR) < 0) + if (dir_emit(ctx, "..", 2, ino, DT_DIR)) goto out; ctx->pos++; /* fall through */ @@ -851,13 +851,13 @@ switch (ctx->pos) { case 0: ino = inode->i_ino; - if (!dir_emit(ctx, ".", 1, ino, DT_DIR) < 0) + if ( dir_emit(ctx, ".", 1, ino, DT_DIR) ) goto out; ctx->pos++; /* fall through */ case 1: ino = parent_ino(dentry); - if (!dir_emit(ctx, "..", 2, ino, DT_DIR) < 0) + if (dir_emit(ctx, "..", 2, ino, DT_DIR)) goto out; ctx->pos++; /* fall through */ @@ -932,13 +932,13 @@ switch (ctx->pos) { case 0: ino = inode->i_ino; - if (!dir_emit(ctx, ".", 1, ino, DT_DIR) < 0) + if ( dir_emit(ctx, ".", 1, ino, DT_DIR) ) goto out; ctx->pos++; /* fall through */ case 1: ino = parent_ino(dentry); - if (!dir_emit(ctx, "..", 2, ino, DT_DIR) < 0) + if (dir_emit(ctx, "..", 2, ino, DT_DIR)) goto out; ctx->pos++; /* fall through */ --------------------------------------- solve the : kernel/vserver/proc.c: In function ‘proc_xid_iterate’: kernel/vserver/proc.c:620:43: warning: comparison of constant ‘0’ with boolean expression is always false [-Wbool-compare] if (!dir_emit(ctx, ".", 1, ino, DT_DIR) < 0) ^ kernel/vserver/proc.c:626:44: warning: comparison of constant ‘0’ with boolean expression is always false [-Wbool-compare] if (!dir_emit(ctx, "..", 2, ino, DT_DIR) < 0) ^ kernel/vserver/proc.c: In function ‘proc_nid_iterate’: kernel/vserver/proc.c:701:43: warning: comparison of constant ‘0’ with boolean expression is always false [-Wbool-compare] if (!dir_emit(ctx, ".", 1, ino, DT_DIR) < 0) ^ kernel/vserver/proc.c:707:44: warning: comparison of constant ‘0’ with boolean expression is always false [-Wbool-compare] if (!dir_emit(ctx, "..", 2, ino, DT_DIR) < 0) ^ kernel/vserver/proc.c: In function ‘proc_virtual_iterate’: kernel/vserver/proc.c:854:43: warning: comparison of constant ‘0’ with boolean expression is always false [-Wbool-compare] if (!dir_emit(ctx, ".", 1, ino, DT_DIR) < 0) ^ kernel/vserver/proc.c:860:44: warning: comparison of constant ‘0’ with boolean expression is always false [-Wbool-compare] if (!dir_emit(ctx, "..", 2, ino, DT_DIR) < 0) ^ kernel/vserver/proc.c: In function ‘proc_virtnet_iterate’: kernel/vserver/proc.c:935:43: warning: comparison of constant ‘0’ with boolean expression is always false [-Wbool-compare] if (!dir_emit(ctx, ".", 1, ino, DT_DIR) < 0) ^ kernel/vserver/proc.c:941:44: warning: comparison of constant ‘0’ with boolean expression is always false [-Wbool-compare] if (!dir_emit(ctx, "..", 2, ino, DT_DIR) < 0) in the right way ? best regards, Ghislain.