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WSL2-Linux-Kernel
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hv: remove the second argument of k[un]map_atomic() 

Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Cong Wang <amwang@redhat.com>
This commit is contained in:
Cong Wang 2011-11-25 23:14:24 +08:00 коммит произвёл Cong Wang
Родитель 77dfce076c
Коммит 86cbce4de2
1 изменённых файлов: 14 добавлений и 17 удалений
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31
drivers/staging/hv/storvsc_drv.c
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@ -941,15 +941,14 @@ static unsigned int copy_from_bounce_buffer(struct scatterlist *orig_sgl,
local_irq_save(flags);
for (i = 0; i < orig_sgl_count; i++) {
dest_addr = (unsigned long)kmap_atomic(sg_page((&orig_sgl[i])),
KM_IRQ0) + orig_sgl[i].offset;
dest_addr = (unsigned long)kmap_atomic(sg_page((&orig_sgl[i])))
+ orig_sgl[i].offset;
dest = dest_addr;
destlen = orig_sgl[i].length;
if (bounce_addr == 0)
bounce_addr =
(unsigned long)kmap_atomic(sg_page((&bounce_sgl[j])),
KM_IRQ0);
(unsigned long)kmap_atomic(sg_page((&bounce_sgl[j])));
while (destlen) {
src = bounce_addr + bounce_sgl[j].offset;
@ -965,7 +964,7 @@ static unsigned int copy_from_bounce_buffer(struct scatterlist *orig_sgl,
if (bounce_sgl[j].offset == bounce_sgl[j].length) {
/* full */
kunmap_atomic((void *)bounce_addr, KM_IRQ0);
kunmap_atomic((void *)bounce_addr);
j++;
/*
@ -990,15 +989,14 @@ static unsigned int copy_from_bounce_buffer(struct scatterlist *orig_sgl,
if (destlen || i != orig_sgl_count - 1)
bounce_addr =
(unsigned long)kmap_atomic(
sg_page((&bounce_sgl[j])), KM_IRQ0);
sg_page((&bounce_sgl[j])));
} else if (destlen == 0 && i == orig_sgl_count - 1) {
/* unmap the last bounce that is < PAGE_SIZE */
kunmap_atomic((void *)bounce_addr, KM_IRQ0);
kunmap_atomic((void *)bounce_addr);
}
}
kunmap_atomic((void *)(dest_addr - orig_sgl[i].offset),
KM_IRQ0);
kunmap_atomic((void *)(dest_addr - orig_sgl[i].offset));
}
local_irq_restore(flags);
@ -1024,15 +1022,14 @@ static unsigned int copy_to_bounce_buffer(struct scatterlist *orig_sgl,
local_irq_save(flags);
for (i = 0; i < orig_sgl_count; i++) {
src_addr = (unsigned long)kmap_atomic(sg_page((&orig_sgl[i])),
KM_IRQ0) + orig_sgl[i].offset;
src_addr = (unsigned long)kmap_atomic(sg_page((&orig_sgl[i])))
+ orig_sgl[i].offset;
src = src_addr;
srclen = orig_sgl[i].length;
if (bounce_addr == 0)
bounce_addr =
(unsigned long)kmap_atomic(sg_page((&bounce_sgl[j])),
KM_IRQ0);
(unsigned long)kmap_atomic(sg_page((&bounce_sgl[j])));
while (srclen) {
/* assume bounce offset always == 0 */
@ -1049,22 +1046,22 @@ static unsigned int copy_to_bounce_buffer(struct scatterlist *orig_sgl,
if (bounce_sgl[j].length == PAGE_SIZE) {
/* full..move to next entry */
kunmap_atomic((void *)bounce_addr, KM_IRQ0);
kunmap_atomic((void *)bounce_addr);
j++;
/* if we need to use another bounce buffer */
if (srclen || i != orig_sgl_count - 1)
bounce_addr =
(unsigned long)kmap_atomic(
sg_page((&bounce_sgl[j])), KM_IRQ0);
sg_page((&bounce_sgl[j])));
} else if (srclen == 0 && i == orig_sgl_count - 1) {
/* unmap the last bounce that is < PAGE_SIZE */
kunmap_atomic((void *)bounce_addr, KM_IRQ0);
kunmap_atomic((void *)bounce_addr);
}
}
kunmap_atomic((void *)(src_addr - orig_sgl[i].offset), KM_IRQ0);
kunmap_atomic((void *)(src_addr - orig_sgl[i].offset));
}
local_irq_restore(flags);