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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/os/freebsd/zfs/zfs_acl.c
+1 -1
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@@ -527,7 +527,7 @@ zfs_acl_valid_ace_type(uint_t type, uint_t flags)
entry_type == ACE_EVERYONE || entry_type == 0 ||
entry_type == ACE_IDENTIFIER_GROUP);
default:
if (type >= MIN_ACE_TYPE && type <= MAX_ACE_TYPE)
if (type <= MAX_ACE_TYPE)
return (B_TRUE);
}
return (B_FALSE);
module/os/linux/zfs/zfs_acl.c
+1 -1
View File
@@ -525,7 +525,7 @@ zfs_acl_valid_ace_type(uint_t type, uint_t flags)
entry_type == ACE_EVERYONE || entry_type == 0 ||
entry_type == ACE_IDENTIFIER_GROUP);
default:
if (type >= MIN_ACE_TYPE && type <= MAX_ACE_TYPE)
if (type <= MAX_ACE_TYPE)
return (B_TRUE);
}
return (B_FALSE);
module/os/linux/zfs/zvol_os.c
+1 -1
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@@ -1433,7 +1433,7 @@ zvol_os_create_minor(const char *name)
* Prefetching the blocks commonly scanned by blkid(8) will speed
* up this process.
*/
len = MIN(MAX(zvol_prefetch_bytes, 0), SPA_MAXBLOCKSIZE);
len = MIN(zvol_prefetch_bytes, SPA_MAXBLOCKSIZE);
if (len > 0) {
dmu_prefetch(os, ZVOL_OBJ, 0, 0, len, ZIO_PRIORITY_SYNC_READ);
dmu_prefetch(os, ZVOL_OBJ, 0, volsize - len, len,