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unix: use runtime.KeepAlive in Solaris IoctlSetTermio

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This ensures that value remains live for the duration of the ioctl system call.
This pattern is used in all other IoctlSet* functions but appears to have been
forgotten here.

Change-Id: I2b26a5c4e7c862f779427b839327b36c1bc78c82
Reviewed-on: https://go-review.googlesource.com/c/sys/+/259637
Trust: Matt Layher <mdlayher@gmail.com>
Run-TryBot: Matt Layher <mdlayher@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Matt Layher
2020-10-05 13:07:52 -04:00
parent 935f906f17
commit 9971236665
1 changed files with 4 additions and 1 deletions
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5
unix/syscall_solaris.go
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@@ -13,6 +13,7 @@
package unix
import (
"runtime"
"syscall"
"unsafe"
)
@@ -554,7 +555,9 @@ func Minor(dev uint64) uint32 {
//sys ioctl(fd int, req uint, arg uintptr) (err error)
func IoctlSetTermio(fd int, req uint, value *Termio) (err error) {
return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
err := ioctl(fd, req, uintptr(unsafe.Pointer(value)))
runtime.KeepAlive(value)
return err
}
func IoctlGetTermio(fd int, req uint) (*Termio, error) {