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Cleanup: Remove ineffective unsigned comparisons against 0

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Coverity found a number of places where we either do MAX(unsigned, 0) or
do assertions that a unsigned variable is >= 0. These do nothing, so
let us drop them all.

It also found a spot where we do `if (unsigned >= 0 && ...)`. Let us
also drop the unsigned >= 0 check.

Reviewed-by: Neal Gompa <ngompa@datto.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
Closes #13871
This commit is contained in:
Richard Yao
2022-09-26 20:02:38 -04:00
committed by GitHub
parent 52afc3443d
commit 8ef15f9322
8 changed files with 5 additions and 9 deletions
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module/zfs/dsl_dataset.c
-2
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@@ -2128,8 +2128,6 @@ dsl_livelist_should_disable(dsl_dataset_t *ds)
used = dsl_dir_get_usedds(ds->ds_dir);
referenced = dsl_get_referenced(ds);
ASSERT3U(referenced, >=, 0);
ASSERT3U(used, >=, 0);
if (referenced == 0)
return (B_FALSE);
percent_shared = (100 * (referenced - used)) / referenced;