Re: [PATCH v6 0/5] zram: fix zstd error paths and add parameter validation

[Sergey Senozhatsky <senozhatsky@chromium.org>]

On (26/08/04 18:53), Sergey Senozhatsky wrote:
> > Patch 1 removes zstd_release_params() from both zstd_create() and
> > zstd_setup_params() error paths -- the former is a layering violation
> > in a per-CPU callback, the latter is redundant as zcomp_init() already
> > calls release_params() on setup failure.
> > 
> > Patch 2 rejects zero-size dictionaries and prints distinct error
> > messages for sz < 0 (returns the original error code) and sz == 0
> > ("empty file"). Currently errors are silently swallowed.
> > 
> > Patch 3 adds pr_fmt to each backend file so that pr_err() messages
> > are auto-prefixed with the algorithm name.
> > 
> > Patch 4 validates dict and level parameters in each backend's
> > .setup_params(), rejecting unsupported combinations and out-of-range
> > levels.
> > 
> > Patch 5 resets per-priority params on algorithm change before init.
> > 
> > Changes since v5:
> >   - Patch 2: split pr_err into sz < 0 and sz == 0 branches
> >   - New patch 3: add pr_fmt to all backends; tweak winbits message;
> >     add missing SPDX headers to lz4 and lz4hc
> >   - Patch 4: removed inline algo-name prefixes (now handled by pr_fmt);
> >     added comment for lz4hc < 1 lower bound; added braces to if
> >     branches for consistency
> 
> Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>

Oh, and also
Tested-by: Sergey Senozhatsky <senozhatsky@chromium.org>