Hi! > [ Upstream commit 0ab34a08812a3334350dbaf69a018ee0ab3d2ddd ] > > si2165_readreg8() may fail. Looking into si2165_readreg8(), we will find > that "val_tmp" will be an uninitialized value when regmap_read() fails. > "val_tmp" is then assigned to "val". So if si2165_readreg8() fails, > "val" will be a random value. Further use will lead to undefined > behaviors. The fix checks if si2165_readreg8() fails, and if so, returns > its error code upstream.
Ok, but there's still undefined behaviour in si2165_readreg8, 16 and
24, where it manipulates and prints uninitialized memory, right?
Pavel
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