maillbox: bcm-flexrm-mailbox: handle cmpl_pool dma allocation failure

Handle 'cmpl_pool' dma memory allocation failure.

Fixes: a9a9da47f8e6 ("mailbox: no need to check return value of debugfs_create functions")
Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>
Reviewed-by: Tyler Hicks <tyhicks@linux.microsoft.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>

diff --git a/drivers/mailbox/bcm-flexrm-mailbox.c b/drivers/mailbox/bcm-flexrm-mailbox.c
index 8ee9db27480294e5c283cb03b734a1718ec05fed..bee33abb530849de1aa6f5b8593c004e53d4af3d 100644 (file)
--- a/drivers/mailbox/bcm-flexrm-mailbox.c
+++ b/drivers/mailbox/bcm-flexrm-mailbox.c
@@ -1599,6 +1599,7 @@ static int flexrm_mbox_probe(struct platform_device *pdev)
                                          1 << RING_CMPL_ALIGN_ORDER, 0);
        if (!mbox->cmpl_pool) {
                ret = -ENOMEM;
+               goto fail_destroy_bd_pool;
        }
 
        /* Allocate platform MSIs for each ring */
@@ -1661,6 +1662,7 @@ fail_free_debugfs_root:
        platform_msi_domain_free_irqs(dev);
 fail_destroy_cmpl_pool:
        dma_pool_destroy(mbox->cmpl_pool);
+fail_destroy_bd_pool:
        dma_pool_destroy(mbox->bd_pool);
 fail:
        return ret;