diff options
| -rw-r--r-- | drivers/scsi/aacraid/rx.c | 5 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_attr.c | 23 | ||||
| -rw-r--r-- | drivers/scsi/scsi_transport_fc.c | 12 |
3 files changed, 19 insertions, 21 deletions
diff --git a/drivers/scsi/aacraid/rx.c b/drivers/scsi/aacraid/rx.c index 04057ab72a8b..84d77fd86e5b 100644 --- a/drivers/scsi/aacraid/rx.c +++ b/drivers/scsi/aacraid/rx.c @@ -352,9 +352,8 @@ static int aac_rx_check_health(struct aac_dev *dev) pci_free_consistent(dev->pdev, sizeof(struct POSTSTATUS), post, paddr); if (likely((buffer[0] == '0') && ((buffer[1] == 'x') || (buffer[1] == 'X')))) { - ret = (buffer[2] <= '9') ? (buffer[2] - '0') : (buffer[2] - 'A' + 10); - ret <<= 4; - ret += (buffer[3] <= '9') ? (buffer[3] - '0') : (buffer[3] - 'A' + 10); + ret = (hex_to_bin(buffer[2]) << 4) + + hex_to_bin(buffer[3]); } pci_free_consistent(dev->pdev, 512, buffer, baddr); return ret; diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 162704cf6a96..ad05b266e950 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -25,6 +25,7 @@ #include <linux/interrupt.h> #include <linux/aer.h> #include <linux/gfp.h> +#include <linux/kernel.h> #include <scsi/scsi.h> #include <scsi/scsi_device.h> @@ -1795,12 +1796,11 @@ lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr, /* Validate and store the new name */ for (i=0, j=0; i < 16; i++) { - if ((*buf >= 'a') && (*buf <= 'f')) - j = ((j << 4) | ((*buf++ -'a') + 10)); - else if ((*buf >= 'A') && (*buf <= 'F')) - j = ((j << 4) | ((*buf++ -'A') + 10)); - else if ((*buf >= '0') && (*buf <= '9')) - j = ((j << 4) | (*buf++ -'0')); + int value; + + value = hex_to_bin(*buf++); + if (value >= 0) + j = (j << 4) | value; else return -EINVAL; if (i % 2) { @@ -1888,12 +1888,11 @@ lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr, /* Validate and store the new name */ for (i=0, j=0; i < 16; i++) { - if ((*buf >= 'a') && (*buf <= 'f')) - j = ((j << 4) | ((*buf++ -'a') + 10)); - else if ((*buf >= 'A') && (*buf <= 'F')) - j = ((j << 4) | ((*buf++ -'A') + 10)); - else if ((*buf >= '0') && (*buf <= '9')) - j = ((j << 4) | (*buf++ -'0')); + int value; + + value = hex_to_bin(*buf++); + if (value >= 0) + j = (j << 4) | value; else return -EINVAL; if (i % 2) { diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c index edb6b362a8fa..d7e470a06180 100644 --- a/drivers/scsi/scsi_transport_fc.c +++ b/drivers/scsi/scsi_transport_fc.c @@ -29,6 +29,7 @@ #include <linux/init.h> #include <linux/slab.h> #include <linux/delay.h> +#include <linux/kernel.h> #include <scsi/scsi_device.h> #include <scsi/scsi_host.h> #include <scsi/scsi_transport.h> @@ -1730,12 +1731,11 @@ fc_parse_wwn(const char *ns, u64 *nm) /* Validate and store the new name */ for (i=0, j=0; i < 16; i++) { - if ((*ns >= 'a') && (*ns <= 'f')) - j = ((j << 4) | ((*ns++ -'a') + 10)); - else if ((*ns >= 'A') && (*ns <= 'F')) - j = ((j << 4) | ((*ns++ -'A') + 10)); - else if ((*ns >= '0') && (*ns <= '9')) - j = ((j << 4) | (*ns++ -'0')); + int value; + + value = hex_to_bin(*ns++); + if (value >= 0) + j = (j << 4) | value; else return -EINVAL; if (i % 2) { |