pstore: Correct the max_dump_cnt clearing of ramoops
In case that ramoops_init_przs failed, max_dump_cnt won't be reset to zero in error handle path. Signed-off-by: Liu ShuoX <shuox.liu@intel.com> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Tony Luck <tony.luck@intel.com>
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@ -320,6 +320,7 @@ static void ramoops_free_przs(struct ramoops_context *cxt)
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{
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{
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int i;
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int i;
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cxt->max_dump_cnt = 0;
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if (!cxt->przs)
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if (!cxt->przs)
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return;
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return;
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@ -350,7 +351,7 @@ static int ramoops_init_przs(struct device *dev, struct ramoops_context *cxt,
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GFP_KERNEL);
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GFP_KERNEL);
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if (!cxt->przs) {
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if (!cxt->przs) {
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dev_err(dev, "failed to initialize a prz array for dumps\n");
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dev_err(dev, "failed to initialize a prz array for dumps\n");
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return -ENOMEM;
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goto fail_prz;
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}
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}
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for (i = 0; i < cxt->max_dump_cnt; i++) {
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for (i = 0; i < cxt->max_dump_cnt; i++) {
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@ -508,7 +509,6 @@ fail_buf:
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kfree(cxt->pstore.buf);
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kfree(cxt->pstore.buf);
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fail_clear:
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fail_clear:
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cxt->pstore.bufsize = 0;
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cxt->pstore.bufsize = 0;
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cxt->max_dump_cnt = 0;
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fail_cnt:
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fail_cnt:
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kfree(cxt->fprz);
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kfree(cxt->fprz);
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fail_init_fprz:
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fail_init_fprz:
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