mirror of https://gitee.com/openkylin/linux.git
parisc: fix possible memory leak in pat_query_module()
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>
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@ -186,12 +186,14 @@ pat_query_module(ulong pcell_loc, ulong mod_index)
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if (status != PDC_OK) {
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/* no more cell modules or error */
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kfree(pa_pdc_cell);
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return status;
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}
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temp = pa_pdc_cell->cba;
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dev = alloc_pa_dev(PAT_GET_CBA(temp), &(pa_pdc_cell->mod_path));
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if (!dev) {
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kfree(pa_pdc_cell);
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return PDC_OK;
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}
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