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x86: debug Store - call kfree if only we really need it

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We should call for kfree if only we really need it.
Though it's safe to call kfree with NULL pointer passed
in this code we've already tested the pointer and can
eliminate the call

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Cyrill Gorcunov 2008-04-01 19:41:50 +04:00 committed by Ingo Molnar
parent 19b4e7f4e9
commit 431ef7a2a4
1 changed files with 4 additions and 4 deletions
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8
arch/x86/kernel/ds.c
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@ -220,11 +220,11 @@ int ds_allocate(void **dsp, size_t bts_size_in_bytes)
int ds_free(void **dsp)
{
if (*dsp)
if (*dsp) {
kfree((void *)get_bts_buffer_base(*dsp));
kfree(*dsp);
*dsp = NULL;
kfree(*dsp);
*dsp = NULL;
}
return 0;
}