CVE-2024-50290

In the Linux kernel, the following vulnerability has been resolved:

media: cx24116: prevent overflows on SNR calculus

as reported by Coverity, if reading SNR registers fail, a negative
number will be returned, causing an underflow when reading SNR
registers.

Prevent that.

More information : https://git.kernel.org/stable/c/127b9076baeadd734b18ddc8f2cd93b47d5a3ea3