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-rw-r--r--src/fcntl/fcntl.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/src/fcntl/fcntl.c b/src/fcntl/fcntl.c
index 4c34ba04..4a713fd4 100644
--- a/src/fcntl/fcntl.c
+++ b/src/fcntl/fcntl.c
@@ -13,11 +13,11 @@ int fcntl(int fd, int cmd, ...)
 	arg = va_arg(ap, long);
 	va_end(ap);
 	if (cmd == F_SETFL) arg |= O_LARGEFILE;
-	if (cmd == F_SETLKW) return syscall_cp(SYS_fcntl, fd, cmd, arg);
+	if (cmd == F_SETLKW) return syscall_cp(SYS_fcntl, fd, cmd, (void *)arg);
 	if (cmd == F_GETOWN) {
 		struct f_owner_ex ex;
 		int ret = __syscall(SYS_fcntl, fd, F_GETOWN_EX, &ex);
-		if (ret == -EINVAL) return __syscall(SYS_fcntl, fd, cmd, arg);
+		if (ret == -EINVAL) return __syscall(SYS_fcntl, fd, cmd, (void *)arg);
 		if (ret) return __syscall_ret(ret);
 		return ex.type == F_OWNER_PGRP ? -ex.pid : ex.pid;
 	}
@@ -37,5 +37,14 @@ int fcntl(int fd, int cmd, ...)
 		if (ret >= 0) __syscall(SYS_fcntl, ret, F_SETFD, FD_CLOEXEC);
 		return __syscall_ret(ret);
 	}
-	return syscall(SYS_fcntl, fd, cmd, arg);
+	switch (cmd) {
+	case F_SETLK:
+	case F_SETLKW:
+	case F_GETLK:
+	case F_GETOWN_EX:
+	case F_SETOWN_EX:
+		return syscall(SYS_fcntl, fd, cmd, (void *)arg);
+	default:
+		return syscall(SYS_fcntl, fd, cmd, arg);
+	}
 }