From: Todd Poynor <toddpoy...@google.com>
When offset to be mapped matches both a BAR region and a coherent mapped
region return an error as intended, not the BAR index.
Signed-off-by: Simon Que <s...@chromium.org>
Signed-off-by: Todd Poynor <toddpoy...@google.com>
---
drivers/staging/gasket/gasket_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/gasket/gasket_core.c
b/drivers/staging/gasket/gasket_core.c
index eb5ad161ccda2..3cf918f9d2604 100644
--- a/drivers/staging/gasket/gasket_core.c
+++ b/drivers/staging/gasket/gasket_core.c
@@ -1627,7 +1627,7 @@ static int gasket_mmap(struct file *filp, struct
vm_area_struct *vma)
"0x%lx",
raw_offset);
trace_gasket_mmap_exit(bar_index);
- return bar_index;
+ return -EINVAL;
}
vma->vm_private_data = gasket_dev;
--
2.18.0.233.g985f88cf7e-goog
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