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tcmu: fix page addr in tcmu_flush_dcache_range

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The page addr should be update.

Signed-off-by: tangwenji <[email protected]>
Signed-off-by: Mike Christie <[email protected]>
Signed-off-by: Nicholas Bellinger <[email protected]>
This commit is contained in:
tangwenji authored and Nicholas Bellinger committed 2018-01-12 15:07:10 -08:00
1 parent 094bb5d766
commit 26d2b3106f
1 file changed
+3 -2
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drivers/target/target_core_user.c
+3 -2
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@@ -455,12 +455,13 @@ static struct tcmu_cmd *tcmu_alloc_cmd(struct se_cmd *se_cmd)
static inline void tcmu_flush_dcache_range(void *vaddr, size_t size)
{
unsigned long offset = offset_in_page(vaddr);
void *start = vaddr - offset;
size = round_up(size+offset, PAGE_SIZE);
vaddr -= offset;
while (size) {
flush_dcache_page(virt_to_page(vaddr));
flush_dcache_page(virt_to_page(start));
start += PAGE_SIZE;
size -= PAGE_SIZE;
}
}