Check DSI instance id argument against the proper boundary size
to protect against invalid configuration of the DSI id.
Signed-off-by: Lloyd Atkinson <latkinso@xxxxxxxxxxxxxx>
---
drivers/gpu/drm/msm/dsi/dsi_manager.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c
index d276358..dec2f74 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_manager.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c
@@ -862,7 +862,7 @@ int msm_dsi_manager_register(struct msm_dsi *msm_dsi)
int id = msm_dsi->id;
int ret;
- if (id > DSI_MAX) {
+ if (id >= DSI_MAX) {
pr_err("%s: invalid id %d\n", __func__, id);
return -EINVAL;
}
--
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