summaryrefslogtreecommitdiffstats
path: root/drivers/usb/storage/alauda.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 10:09:16 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 10:09:16 -0700
commit92d15c2ccbb3e31a3fc71ad28fdb55e1319383c0 (patch)
tree8d83c0dc3c6b935d8367e331872f242b742f0a8a /drivers/usb/storage/alauda.c
parentf20bf6125605acbbc7eb8c9420d7221c91aa83eb (diff)
parent644bd2f048972d75eb1979b1fdca257d528ce687 (diff)
Merge branch 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-block
* 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-block: (63 commits) Fix memory leak in dm-crypt SPARC64: sg chaining support SPARC: sg chaining support PPC: sg chaining support PS3: sg chaining support IA64: sg chaining support x86-64: enable sg chaining x86-64: update pci-gart iommu to sg helpers x86-64: update nommu to sg helpers x86-64: update calgary iommu to sg helpers swiotlb: sg chaining support i386: enable sg chaining i386 dma_map_sg: convert to using sg helpers mmc: need to zero sglist on init Panic in blk_rq_map_sg() from CCISS driver remove sglist_len remove blk_queue_max_phys_segments in libata revert sg segment size ifdefs Fixup u14-34f ENABLE_SG_CHAINING qla1280: enable use_sg_chaining option ...
Diffstat (limited to 'drivers/usb/storage/alauda.c')
-rw-r--r--drivers/usb/storage/alauda.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/usb/storage/alauda.c b/drivers/usb/storage/alauda.c
index 4d3cbb12b71..8d3711a7ff0 100644
--- a/drivers/usb/storage/alauda.c
+++ b/drivers/usb/storage/alauda.c
@@ -798,12 +798,13 @@ static int alauda_read_data(struct us_data *us, unsigned long address,
{
unsigned char *buffer;
u16 lba, max_lba;
- unsigned int page, len, index, offset;
+ unsigned int page, len, offset;
unsigned int blockshift = MEDIA_INFO(us).blockshift;
unsigned int pageshift = MEDIA_INFO(us).pageshift;
unsigned int blocksize = MEDIA_INFO(us).blocksize;
unsigned int pagesize = MEDIA_INFO(us).pagesize;
unsigned int uzonesize = MEDIA_INFO(us).uzonesize;
+ struct scatterlist *sg;
int result;
/*
@@ -827,7 +828,8 @@ static int alauda_read_data(struct us_data *us, unsigned long address,
max_lba = MEDIA_INFO(us).capacity >> (blockshift + pageshift);
result = USB_STOR_TRANSPORT_GOOD;
- index = offset = 0;
+ offset = 0;
+ sg = NULL;
while (sectors > 0) {
unsigned int zone = lba / uzonesize; /* integer division */
@@ -873,7 +875,7 @@ static int alauda_read_data(struct us_data *us, unsigned long address,
/* Store the data in the transfer buffer */
usb_stor_access_xfer_buf(buffer, len, us->srb,
- &index, &offset, TO_XFER_BUF);
+ &sg, &offset, TO_XFER_BUF);
page = 0;
lba++;
@@ -891,11 +893,12 @@ static int alauda_write_data(struct us_data *us, unsigned long address,
unsigned int sectors)
{
unsigned char *buffer, *blockbuffer;
- unsigned int page, len, index, offset;
+ unsigned int page, len, offset;
unsigned int blockshift = MEDIA_INFO(us).blockshift;
unsigned int pageshift = MEDIA_INFO(us).pageshift;
unsigned int blocksize = MEDIA_INFO(us).blocksize;
unsigned int pagesize = MEDIA_INFO(us).pagesize;
+ struct scatterlist *sg;
u16 lba, max_lba;
int result;
@@ -929,7 +932,8 @@ static int alauda_write_data(struct us_data *us, unsigned long address,
max_lba = MEDIA_INFO(us).capacity >> (pageshift + blockshift);
result = USB_STOR_TRANSPORT_GOOD;
- index = offset = 0;
+ offset = 0;
+ sg = NULL;
while (sectors > 0) {
/* Write as many sectors as possible in this block */
@@ -946,7 +950,7 @@ static int alauda_write_data(struct us_data *us, unsigned long address,
/* Get the data from the transfer buffer */
usb_stor_access_xfer_buf(buffer, len, us->srb,
- &index, &offset, FROM_XFER_BUF);
+ &sg, &offset, FROM_XFER_BUF);
result = alauda_write_lba(us, lba, page, pages, buffer,
blockbuffer);