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-rw-r--r--drivers/staging/media/atomisp/pci/atomisp2/hmm/hmm.c19
1 files changed, 2 insertions, 17 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/hmm/hmm.c b/drivers/staging/media/atomisp/pci/atomisp2/hmm/hmm.c
index 358872393646..57295397da3e 100644
--- a/drivers/staging/media/atomisp/pci/atomisp2/hmm/hmm.c
+++ b/drivers/staging/media/atomisp/pci/atomisp2/hmm/hmm.c
@@ -333,15 +333,7 @@ static int load_and_flush_by_kmap(ia_css_ptr virt, void *data, unsigned int byte
idx = (virt - bo->start) >> PAGE_SHIFT;
offset = (virt - bo->start) - (idx << PAGE_SHIFT);
- src = (char *)kmap(bo->page_obj[idx].page);
- if (!src) {
- dev_err(atomisp_dev,
- "kmap buffer object page failed: "
- "pg_idx = %d\n", idx);
- return -EINVAL;
- }
-
- src += offset;
+ src = (char *)kmap(bo->page_obj[idx].page) + offset;
if ((bytes + offset) >= PAGE_SIZE) {
len = PAGE_SIZE - offset;
@@ -538,14 +530,7 @@ int hmm_set(ia_css_ptr virt, int c, unsigned int bytes)
idx = (virt - bo->start) >> PAGE_SHIFT;
offset = (virt - bo->start) - (idx << PAGE_SHIFT);
- des = (char *)kmap(bo->page_obj[idx].page);
- if (!des) {
- dev_err(atomisp_dev,
- "kmap buffer object page failed: "
- "pg_idx = %d\n", idx);
- return -EINVAL;
- }
- des += offset;
+ des = (char *)kmap(bo->page_obj[idx].page) + offset;
if ((bytes + offset) >= PAGE_SIZE) {
len = PAGE_SIZE - offset;