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| author | jhb <jhb@FreeBSD.org> | 2011-06-06 13:12:56 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2011-06-06 13:12:56 +0000 |
| commit | aa8ddae28045296cfac5aae264a723e7b0664db7 (patch) | |
| tree | 85a77dafa0374fd3c89d8bd92a72fdce0bb6591d /sys/kern/subr_rman.c | |
| parent | 6e29aea1dbf128b84b885f9acc6396c69ab080ce (diff) | |
| download | FreeBSD-src-aa8ddae28045296cfac5aae264a723e7b0664db7.zip FreeBSD-src-aa8ddae28045296cfac5aae264a723e7b0664db7.tar.gz | |
Clear the device_t pointer in 'struct resource' when releasing a device
as otherwise the sysctl to export rman info can dereference a stale
pointer.
PR: kern/115371
Submitted by: Arthur Hartwig
MFC after: 1 week
Diffstat (limited to 'sys/kern/subr_rman.c')
| -rw-r--r-- | sys/kern/subr_rman.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/kern/subr_rman.c b/sys/kern/subr_rman.c index 3014b19..abd72c0 100644 --- a/sys/kern/subr_rman.c +++ b/sys/kern/subr_rman.c @@ -839,6 +839,7 @@ int_rman_release_resource(struct rman *rm, struct resource_i *r) * without freeing anything. */ r->r_flags &= ~RF_ALLOCATED; + r->r_dev = NULL; return 0; } |
