On 11/12/24 10:08 AM, Dan Carpenter wrote:
Hello Marek Vasut,
Commit 781a07da9bb9 ("Input: ads7846 - add dummy command register
clearing cycle") from Mar 20, 2024 (linux-next), leads to the
following Smatch static checker warning:
drivers/input/touchscreen/ads7846.c:412 ads7846_read12_ser() error: buffer overflow 'req->xfer' 6 <= 6
drivers/input/touchscreen/ads7846.c:413 ads7846_read12_ser() error: buffer overflow 'req->xfer' 6 <= 6
drivers/input/touchscreen/ads7846.c:416 ads7846_read12_ser() error: buffer overflow 'req->xfer' 6 <= 7
drivers/input/touchscreen/ads7846.c:417 ads7846_read12_ser() error: buffer overflow 'req->xfer' 6 <= 7
drivers/input/touchscreen/ads7846.c:418 ads7846_read12_ser() error: buffer overflow 'req->xfer' 6 <= 7
drivers/input/touchscreen/ads7846.c:418 ads7846_read12_ser() error: buffer overflow 'req->xfer' 6 <= 7
drivers/input/touchscreen/ads7846.c:419 ads7846_read12_ser() error: buffer overflow 'req->xfer' 6 <= 7
A fix for that was already posted by Nathan:
[PATCH] Input: ads7846 - Increase xfer array size in 'struct ser_req'
Sorry for the inconvenience.
