diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/md/dm-crypt.c | 12 | ||||
| -rw-r--r-- | drivers/net/wireless/airo.c | 7 | ||||
| -rw-r--r-- | drivers/scsi/arm/scsi.h | 6 | ||||
| -rw-r--r-- | drivers/scsi/libata-core.c | 10 | ||||
| -rw-r--r-- | drivers/scsi/sg.c | 5 | ||||
| -rw-r--r-- | drivers/usb/misc/usbtest.c | 7 |
6 files changed, 16 insertions, 31 deletions
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 28c1a628621..cf663105668 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -15,7 +15,7 @@ #include <linux/crypto.h> #include <linux/workqueue.h> #include <asm/atomic.h> -#include <asm/scatterlist.h> +#include <linux/scatterlist.h> #include <asm/page.h> #include "dm.h" @@ -164,9 +164,7 @@ static int crypt_iv_essiv_ctr(struct crypt_config *cc, struct dm_target *ti, return -ENOMEM; } - sg.page = virt_to_page(cc->key); - sg.offset = offset_in_page(cc->key); - sg.length = cc->key_size; + sg_set_buf(&sg, cc->key, cc->key_size); crypto_digest_digest(hash_tfm, &sg, 1, salt); crypto_free_tfm(hash_tfm); @@ -207,14 +205,12 @@ static void crypt_iv_essiv_dtr(struct crypt_config *cc) static int crypt_iv_essiv_gen(struct crypt_config *cc, u8 *iv, sector_t sector) { - struct scatterlist sg = { NULL, }; + struct scatterlist sg; memset(iv, 0, cc->iv_size); *(u64 *)iv = cpu_to_le64(sector); - sg.page = virt_to_page(iv); - sg.offset = offset_in_page(iv); - sg.length = cc->iv_size; + sg_set_buf(&sg, iv, cc->iv_size); crypto_cipher_encrypt((struct crypto_tfm *)cc->iv_gen_private, &sg, &sg, cc->iv_size); diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index 4c11699bad9..750c0167539 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -35,6 +35,7 @@ #include <linux/interrupt.h> #include <linux/in.h> #include <linux/bitops.h> +#include <linux/scatterlist.h> #include <asm/io.h> #include <asm/system.h> @@ -1590,11 +1591,9 @@ static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, struct aes_counter[12] = (u8)(counter >> 24); counter++; memcpy (plain, aes_counter, 16); - sg[0].page = virt_to_page(plain); - sg[0].offset = ((long) plain & ~PAGE_MASK); - sg[0].length = 16; + sg_set_buf(sg, plain, 16); crypto_cipher_encrypt(tfm, sg, sg, 16); - cipher = kmap(sg[0].page) + sg[0].offset; + cipher = kmap(sg->page) + sg->offset; for (j=0; (j<16) && (i< (sizeof(context->coeff)/sizeof(context->coeff[0]))); ) { context->coeff[i++] = ntohl(*(u32 *)&cipher[j]); j += 4; diff --git a/drivers/scsi/arm/scsi.h b/drivers/scsi/arm/scsi.h index 48e1c4d9738..19937640e2e 100644 --- a/drivers/scsi/arm/scsi.h +++ b/drivers/scsi/arm/scsi.h @@ -10,6 +10,8 @@ * Commonly used scsi driver functions. */ +#include <linux/scatterlist.h> + #define BELT_AND_BRACES /* @@ -22,9 +24,7 @@ static inline int copy_SCp_to_sg(struct scatterlist *sg, Scsi_Pointer *SCp, int BUG_ON(bufs + 1 > max); - sg->page = virt_to_page(SCp->ptr); - sg->offset = offset_in_page(SCp->ptr); - sg->length = SCp->this_residual; + sg_set_buf(sg, SCp->ptr, SCp->this_residual); if (bufs) memcpy(sg + 1, SCp->buffer + 1, diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index b1b1c6f0141..5ca97605ff3 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -49,6 +49,7 @@ #include <linux/suspend.h> #include <linux/workqueue.h> #include <linux/jiffies.h> +#include <linux/scatterlist.h> #include <scsi/scsi.h> #include "scsi.h" #include "scsi_priv.h" @@ -2576,19 +2577,12 @@ void ata_qc_prep(struct ata_queued_cmd *qc) void ata_sg_init_one(struct ata_queued_cmd *qc, void *buf, unsigned int buflen) { - struct scatterlist *sg; - qc->flags |= ATA_QCFLAG_SINGLE; - memset(&qc->sgent, 0, sizeof(qc->sgent)); qc->sg = &qc->sgent; qc->n_elem = 1; qc->buf_virt = buf; - - sg = qc->sg; - sg->page = virt_to_page(buf); - sg->offset = (unsigned long) buf & ~PAGE_MASK; - sg->length = buflen; + sg_init_one(qc->sg, buf, buflen); } /** diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 2d30b46806b..d86d5c26061 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -49,6 +49,7 @@ static int sg_version_num = 30533; /* 2 digits for each component */ #include <linux/seq_file.h> #include <linux/blkdev.h> #include <linux/delay.h> +#include <linux/scatterlist.h> #include "scsi.h" #include <scsi/scsi_dbg.h> @@ -1996,9 +1997,7 @@ sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size) if (!p) break; } - sclp->page = virt_to_page(p); - sclp->offset = offset_in_page(p); - sclp->length = ret_sz; + sg_set_buf(sclp, p, ret_sz); SCSI_LOG_TIMEOUT(5, printk("sg_build_build: k=%d, a=0x%p, len=%d\n", k, sg_scatg2virt(sclp), ret_sz)); diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index 90a96257d6c..2997f558159 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -9,7 +9,7 @@ #include <linux/mm.h> #include <linux/module.h> #include <linux/moduleparam.h> -#include <asm/scatterlist.h> +#include <linux/scatterlist.h> #include <linux/usb.h> @@ -381,7 +381,6 @@ alloc_sglist (int nents, int max, int vary) sg = kmalloc (nents * sizeof *sg, SLAB_KERNEL); if (!sg) return NULL; - memset (sg, 0, nents * sizeof *sg); for (i = 0; i < nents; i++) { char *buf; @@ -394,9 +393,7 @@ alloc_sglist (int nents, int max, int vary) memset (buf, 0, size); /* kmalloc pages are always physically contiguous! */ - sg [i].page = virt_to_page (buf); - sg [i].offset = offset_in_page (buf); - sg [i].length = size; + sg_init_one(&sg[i], buf, size); if (vary) { size += vary; |