[PATCH] vt: Decrement ref count of the VT backend on deallocation
authorAntonino A. Daplas <adaplas@gmail.com>
Mon, 3 Jul 2006 07:24:20 +0000 (00:24 -0700)
committerLinus Torvalds <torvalds@g5.osdl.org>
Mon, 3 Jul 2006 22:26:59 +0000 (15:26 -0700)
When a VT is newly allocated, the module reference count of the backend
will be incremented.  This should be balanced by a module_put() when this
VT is deallocated.

Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
drivers/char/vt.c

index 3ef823d7d255d78d39b2682c837dd33e0854f51b..da7e66a2a38b5dcda25270c6b4329069f36a886f 100644 (file)
@@ -886,6 +886,7 @@ void vc_disallocate(unsigned int currcons)
        if (vc_cons_allocated(currcons)) {
                struct vc_data *vc = vc_cons[currcons].d;
                vc->vc_sw->con_deinit(vc);
+               module_put(vc->vc_sw->owner);
                if (vc->vc_kmalloced)
                        kfree(vc->vc_screenbuf);
                if (currcons >= MIN_NR_CONSOLES)