diff options
| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2011-12-08 16:32:00 +0100 |
|---|---|---|
| committer | Nicolas Ferre <nicolas.ferre@atmel.com> | 2012-01-20 15:51:03 +0100 |
| commit | 6813463cebf25089053cbe25245d15908f896716 (patch) | |
| tree | 6c617058fb5ba5ee6cca6ce0daba3b599abb9f43 /drivers/usb/host/ohci-at91.c | |
| parent | 08a52e1bef7974176520df4ece9aafcf7c7d9ac3 (diff) | |
USB: at91: fix clk_get error handling
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Cc: linux-usb@vger.kernel.org
Diffstat (limited to 'drivers/usb/host/ohci-at91.c')
| -rw-r--r-- | drivers/usb/host/ohci-at91.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c index 5df0b0e3392..dc33517982a 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -139,8 +139,23 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver, } iclk = clk_get(&pdev->dev, "ohci_clk"); + if (IS_ERR(iclk)) { + dev_err(&pdev->dev, "failed to get ohci_clk\n"); + retval = PTR_ERR(iclk); + goto err3; + } fclk = clk_get(&pdev->dev, "uhpck"); + if (IS_ERR(fclk)) { + dev_err(&pdev->dev, "failed to get uhpck\n"); + retval = PTR_ERR(fclk); + goto err4; + } hclk = clk_get(&pdev->dev, "hclk"); + if (IS_ERR(hclk)) { + dev_err(&pdev->dev, "failed to get hclk\n"); + retval = PTR_ERR(hclk); + goto err5; + } at91_start_hc(pdev); ohci_hcd_init(hcd_to_ohci(hcd)); @@ -153,9 +168,12 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver, at91_stop_hc(pdev); clk_put(hclk); + err5: clk_put(fclk); + err4: clk_put(iclk); + err3: iounmap(hcd->regs); err2: |