getservbyport_r: fix out-of-bounds buffer read

[musl] / src / unistd / readv.c

diff --git a/src/unistd/readv.c b/src/unistd/readv.c
index 9b87728..91e6de8 100644 (file)
--- a/src/unistd/readv.c
+++ b/src/unistd/readv.c
@@ -1,12 +1,7 @@
 #include <sys/uio.h>
 #include "syscall.h"
-#include "libc.h"
 
 ssize_t readv(int fd, const struct iovec *iov, int count)
 {
-       ssize_t r;
-       CANCELPT_BEGIN;
-       r = syscall(SYS_readv, fd, iov, count);
-       CANCELPT_END;
-       return r;
+       return syscall_cp(SYS_readv, fd, iov, count);
 }