arcmsr: fixes not release allocated resource
Releasing allocated resource if get configuration data failed. Signed-off-by: Ching Huang <ching2048@areca.com.tw> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Hannes Reinicke <hare@suse.de> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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@ -2664,7 +2664,7 @@ static bool arcmsr_hbaB_get_config(struct AdapterControlBlock *acb)
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if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
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printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
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miscellaneous data' timeout \n", acb->host->host_no);
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return false;
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goto err_free_dma;
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}
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count = 8;
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while (count){
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@ -2707,6 +2707,10 @@ static bool arcmsr_hbaB_get_config(struct AdapterControlBlock *acb)
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acb->firm_cfg_version = readl(®->message_rwbuffer[25]); /*firm_cfg_version,25,100-103*/
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/*firm_ide_channels,4,16-19*/
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return true;
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err_free_dma:
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dma_free_coherent(&acb->pdev->dev, acb->roundup_ccbsize,
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acb->dma_coherent2, acb->dma_coherent_handle2);
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return false;
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}
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static bool arcmsr_hbaC_get_config(struct AdapterControlBlock *pACB)
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