fix rare but nasty under-allocation bug in malloc with large requests

[musl] / src / ipc / shmctl.c

diff --git a/src/ipc/shmctl.c b/src/ipc/shmctl.c
index da357fa..3645fe2 100644 (file)
--- a/src/ipc/shmctl.c
+++ b/src/ipc/shmctl.c
@@ -5,8 +5,8 @@
 int shmctl(int id, int cmd, struct shmid_ds *buf)
 {
 #ifdef __NR_shmctl
-       return syscall3(__NR_shmctl, id, cmd, (long)buf);
+       return syscall(SYS_shmctl, id, cmd, buf);
 #else
-       return syscall4(__NR_ipc, IPCOP_shmctl, id, cmd | IPC_MODERN, (long)buf);
+       return syscall(SYS_ipc, IPCOP_shmctl, id, cmd | IPC_MODERN, buf);
 #endif
 }