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bhyve: Use the new vm_limit_rights() interface

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This addresses a compiler warning arising from the fact that bhyve
needs to cast away a const qualifier in order to call free().

No functional change intended.

Reviewed by:	jhb
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D37099
This commit is contained in:
Mark Johnston 2022-10-24 17:32:04 -04:00
parent 3e9b4532d1
commit fb7ce0a95e
1 changed files with 2 additions and 15 deletions
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17
usr.sbin/bhyve/bhyverun.c
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@ -1103,11 +1103,6 @@ do_open(const char *vmname)
struct vmctx *ctx;
int error;
bool reinit, romboot;
#ifndef WITHOUT_CAPSICUM
cap_rights_t rights;
const cap_ioctl_t *cmds;
size_t ncmds;
#endif
reinit = romboot = false;
@ -1147,16 +1142,8 @@ do_open(const char *vmname)
}
#ifndef WITHOUT_CAPSICUM
cap_rights_init(&rights, CAP_IOCTL, CAP_MMAP_RW);
if (caph_rights_limit(vm_get_device_fd(ctx), &rights) == -1)
errx(EX_OSERR, "Unable to apply rights for sandbox");
vm_get_ioctls(&ncmds);
cmds = vm_get_ioctls(NULL);
if (cmds == NULL)
errx(EX_OSERR, "out of memory");
if (caph_ioctls_limit(vm_get_device_fd(ctx), cmds, ncmds) == -1)
errx(EX_OSERR, "Unable to apply rights for sandbox");
free((cap_ioctl_t *)cmds);
if (vm_limit_rights(ctx) != 0)
err(EX_OSERR, "vm_limit_rights");
#endif
if (reinit) {