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netdump: Fix 11 compatibility DIOCSKERNELDUMP ioctl

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The logic was present for the 11 version of the DIOCSKERNELDUMP ioctl, but
had not been updated for the 12 ABI.

Reviewed by:	markj
Differential Revision:	https://reviews.freebsd.org/D19980
This commit is contained in:
Conrad Meyer 2019-04-20 16:07:29 +00:00
parent ff9be73ee3
commit 60ade167fd
1 changed files with 14 additions and 2 deletions
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16
sys/netinet/netdump/netdump_client.c
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@ -1144,13 +1144,25 @@ netdump_ioctl(struct cdev *dev __unused, u_long cmd, caddr_t addr,
error = 0;
switch (cmd) {
case DIOCSKERNELDUMP:
#ifdef COMPAT_FREEBSD11
case DIOCSKERNELDUMP_FREEBSD11:
u = *(u_int *)addr;
if (u != 0) {
error = ENXIO;
break;
}
if (nd_enabled) {
nd_enabled = 0;
netdump_mbuf_drain();
}
break;
#endif
case DIOCSKERNELDUMP:
kda = (void *)addr;
if (kda->kda_enable != 0) {
error = ENXIO;
break;
}
if (nd_enabled) {
nd_enabled = 0;
netdump_mbuf_drain();