[SCSI] scsi: lpfc error path fix
Add kmalloc failure check and fix the loop on error path. Without the patch pool element at index [0] will not be freed. Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl> Acked-by: James Smart <James.Smart@Emulex.Com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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@ -56,6 +56,9 @@ lpfc_mem_alloc(struct lpfc_hba * phba)
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pool->elements = kmalloc(sizeof(struct lpfc_dmabuf) *
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LPFC_MBUF_POOL_SIZE, GFP_KERNEL);
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if (!pool->elements)
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goto fail_free_lpfc_mbuf_pool;
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pool->max_count = 0;
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pool->current_count = 0;
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for ( i = 0; i < LPFC_MBUF_POOL_SIZE; i++) {
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@ -82,10 +85,11 @@ lpfc_mem_alloc(struct lpfc_hba * phba)
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fail_free_mbox_pool:
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mempool_destroy(phba->mbox_mem_pool);
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fail_free_mbuf_pool:
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while (--i)
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while (i--)
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pci_pool_free(phba->lpfc_mbuf_pool, pool->elements[i].virt,
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pool->elements[i].phys);
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kfree(pool->elements);
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fail_free_lpfc_mbuf_pool:
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pci_pool_destroy(phba->lpfc_mbuf_pool);
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fail_free_dma_buf_pool:
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pci_pool_destroy(phba->lpfc_scsi_dma_buf_pool);
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