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parisc: fix possible memory leak in pat_query_module()

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pa_pdc_cell has been allocated in this function and so should be
freed before leaving from the error handling cases.

spatch with a semantic match is used to found this problem.
(http://coccinelle.lip6.fr/)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Wei Yongjun 2012-09-02 14:23:59 +00:00 committed by Helge Deller
parent ec758f9832
commit fbd48433e7
1 changed files with 2 additions and 0 deletions
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2
arch/parisc/kernel/inventory.c
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@ -186,12 +186,14 @@ pat_query_module(ulong pcell_loc, ulong mod_index)
if (status != PDC_OK) {
/* no more cell modules or error */
kfree(pa_pdc_cell);
return status;
}
temp = pa_pdc_cell->cba;
dev = alloc_pa_dev(PAT_GET_CBA(temp), &(pa_pdc_cell->mod_path));
if (!dev) {
kfree(pa_pdc_cell);
return PDC_OK;
}