Re: [PATCH] staging: gpib: Remove a dead condition in if statement

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On Tue, Oct 15, 2024 at 02:06:47PM -0600, Everest K.C. wrote:
> The variable `residue` is an unsigned int, also the function
> `fluke_get_dma_residue` returns an unsigned int. The value of
> an unsigned int can only be 0 at minimum.
> The less-than-zero comparision can never be true.
> Fix it by removing the dead condition in the if statement.
> 
> This issue was reported by Coverity Scan.
> Report:
> CID 1600782: (#1 of 1): Macro compares unsigned to 0 (NO_EFFECT)
> unsigned_compare: This less-than-zero comparison of an unsigned value
> is never true. residue < 0U.
> 
> Fixes: 55936779f496 ("staging: gpib: Add Fluke cda based cards GPIB driver")

Again, a code cleanup does not deserve a "Fixes:" tag, sorry.

thanks,

greg k-h




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