4.17-stable review patch. If anyone has any objections, please let me know.
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From: Dan Carpenter dan.carpenter@oracle.com
[ Upstream commit 5fc853cc01c68f84984ecc2d5fd777ecad78240f ]
We accidentally left out the error handling for kstrtoul().
Fixes: a520030e326a ("qlcnic: Implement flash sysfs callback for 83xx adapter") Signed-off-by: Dan Carpenter dan.carpenter@oracle.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c @@ -1128,6 +1128,8 @@ static ssize_t qlcnic_83xx_sysfs_flash_w struct qlcnic_adapter *adapter = dev_get_drvdata(dev);
ret = kstrtoul(buf, 16, &data); + if (ret) + return ret;
switch (data) { case QLC_83XX_FLASH_SECTOR_ERASE_CMD: