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Date: Wed, 5 Mar 2014 10:44:57 +0100 From: Alexander Stein <alexander.stein@...tec-electronic.com> To: Arnd Bergmann <arnd@...db.de>, Greg Kroah-Hartman <gregkh@...uxfoundation.org> Cc: linux-kernel@...r.kernel.org, Alexander Stein <alexander.stein@...tec-electronic.com> Subject: [PATCH] pch_phub: Report error writing MAC back to user Signed-off-by: Alexander Stein <alexander.stein@...tec-electronic.com> --- drivers/misc/pch_phub.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/misc/pch_phub.c b/drivers/misc/pch_phub.c index a5925f7f..9565973 100644 --- a/drivers/misc/pch_phub.c +++ b/drivers/misc/pch_phub.c @@ -636,6 +636,7 @@ static ssize_t store_pch_mac(struct device *dev, struct device_attribute *attr, u8 mac[ETH_ALEN]; ssize_t rom_size; struct pch_phub_reg *chip = dev_get_drvdata(dev); + int ret; if (!mac_pton(buf, mac)) return -EINVAL; @@ -644,8 +645,10 @@ static ssize_t store_pch_mac(struct device *dev, struct device_attribute *attr, if (!chip->pch_phub_extrom_base_address) return -ENOMEM; - pch_phub_write_gbe_mac_addr(chip, mac); + ret = pch_phub_write_gbe_mac_addr(chip, mac); pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address); + if (ret) + return ret; return count; } -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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