diff options
Diffstat (limited to 'drivers/scsi')
-rw-r--r-- | drivers/scsi/libata-core.c | 18 | ||||
-rw-r--r-- | drivers/scsi/libata-scsi.c | 11 | ||||
-rw-r--r-- | drivers/scsi/sata_sil.c | 19 |
3 files changed, 13 insertions, 35 deletions
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index 7e410299d67..1d65f703348 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -2301,24 +2301,14 @@ static const char * const ata_dma_blacklist [] = { static int ata_dma_blacklisted(const struct ata_device *dev) { - unsigned char model_num[40]; - char *s; - unsigned int len; + unsigned char model_num[41]; int i; - ata_dev_id_string(dev->id, model_num, ATA_ID_PROD_OFS, - sizeof(model_num)); - s = &model_num[0]; - len = strnlen(s, sizeof(model_num)); - - /* ATAPI specifies that empty space is blank-filled; remove blanks */ - while ((len > 0) && (s[len - 1] == ' ')) { - len--; - s[len] = 0; - } + ata_dev_id_c_string(dev->id, model_num, ATA_ID_PROD_OFS, + sizeof(model_num)); for (i = 0; i < ARRAY_SIZE(ata_dma_blacklist); i++) - if (!strncmp(ata_dma_blacklist[i], s, len)) + if (!strcmp(ata_dma_blacklist[i], model_num)) return 1; return 0; diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c index 26f07a2617f..ebd7cf42550 100644 --- a/drivers/scsi/libata-scsi.c +++ b/drivers/scsi/libata-scsi.c @@ -1806,15 +1806,12 @@ static int ata_dev_supports_fua(u16 *id) if (!ata_id_has_fua(id)) return 0; - model[40] = '\0'; - fw[8] = '\0'; + ata_dev_id_c_string(id, model, ATA_ID_PROD_OFS, sizeof(model)); + ata_dev_id_c_string(id, fw, ATA_ID_FW_REV_OFS, sizeof(fw)); - ata_dev_id_string(id, model, ATA_ID_PROD_OFS, sizeof(model) - 1); - ata_dev_id_string(id, fw, ATA_ID_FW_REV_OFS, sizeof(fw) - 1); - - if (strncmp(model, "Maxtor", 6)) + if (strcmp(model, "Maxtor")) return 1; - if (strncmp(fw, "BANC1G10", 8)) + if (strcmp(fw, "BANC1G10")) return 1; return 0; /* blacklisted */ diff --git a/drivers/scsi/sata_sil.c b/drivers/scsi/sata_sil.c index bd2887741d7..61c4ac7ff9d 100644 --- a/drivers/scsi/sata_sil.c +++ b/drivers/scsi/sata_sil.c @@ -337,22 +337,13 @@ static void sil_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val) static void sil_dev_config(struct ata_port *ap, struct ata_device *dev) { unsigned int n, quirks = 0; - unsigned char model_num[40]; - const char *s; - unsigned int len; + unsigned char model_num[41]; - ata_dev_id_string(dev->id, model_num, ATA_ID_PROD_OFS, - sizeof(model_num)); - s = &model_num[0]; - len = strnlen(s, sizeof(model_num)); - - /* ATAPI specifies that empty space is blank-filled; remove blanks */ - while ((len > 0) && (s[len - 1] == ' ')) - len--; + ata_dev_id_c_string(dev->id, model_num, ATA_ID_PROD_OFS, + sizeof(model_num)); for (n = 0; sil_blacklist[n].product; n++) - if (!memcmp(sil_blacklist[n].product, s, - strlen(sil_blacklist[n].product))) { + if (!strcmp(sil_blacklist[n].product, model_num)) { quirks = sil_blacklist[n].quirk; break; } @@ -372,7 +363,7 @@ static void sil_dev_config(struct ata_port *ap, struct ata_device *dev) /* limit to udma5 */ if (quirks & SIL_QUIRK_UDMA5MAX) { printk(KERN_INFO "ata%u(%u): applying Maxtor errata fix %s\n", - ap->id, dev->devno, s); + ap->id, dev->devno, model_num); ap->udma_mask &= ATA_UDMA5; return; } |