On 4/26/21 4:58 PM, Bhaumik Bhatt wrote:
MHI reads the channel ID from the event ring element sent by the device which can be any value between 0 and 255. In order to prevent any out of bound accesses, add a check against the maximum number of channels supported by the controller and those channels not configured yet so as to skip processing of that event ring element. Fixes: 1d3173a3bae7 ("bus: mhi: core: Add support for processing events from client device") Signed-off-by: Bhaumik Bhatt <bbhatt@xxxxxxxxxxxxxx> ---
Reviewed-by: Hemant Kumar <hemantk@xxxxxxxxxxxxxx> -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project