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[PATCH] vt: Decrement ref count of the VT backend on deallocation 

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>
hifive-unleashed-5.1
Antonino A. Daplas 2006-07-03 00:24:20 -07:00 committed by Linus Torvalds
parent 36c9366efd
commit d459ec0baa
1 changed files with 1 additions and 0 deletions
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drivers/char/vt.c
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@ -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)