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Suppress Clang static analyzer complaint in zfs_replay_create() 

Clang's static analyzer incorrectly complains about an undefined value
here when lr->lr_common.lrc_txtype == TX_SYMLINK and txtype ==
TX_CREATE. This is impossible, because of this line:

txtype = (lr->lr_common.lrc_txtype & ~TX_CI((uint64_t)0x1 << 63));

Changing the code to compare against txtype suppresses the report.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Brian Atkinson <batkinson@lanl.gov>
Signed-off-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
Closes #14472
This commit is contained in:
Richard Yao 2023-02-14 14:05:41 -05:00 committed by GitHub
parent 3fc92adc40
commit f04cb31e7c
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1 changed files with 3 additions and 3 deletions
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6
module/zfs/zfs_replay.c
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@ -512,9 +512,9 @@ zfs_replay_create(void *arg1, void *arg2, boolean_t byteswap)
*
* The _ATTR versions will grab the fuid info in their subcases.
*/
if ((int)lr->lr_common.lrc_txtype != TX_SYMLINK &&
(int)lr->lr_common.lrc_txtype != TX_MKDIR_ATTR &&
(int)lr->lr_common.lrc_txtype != TX_CREATE_ATTR) {
if (txtype != TX_SYMLINK &&
txtype != TX_MKDIR_ATTR &&
txtype != TX_CREATE_ATTR) {
start = (lr + 1);
zfsvfs->z_fuid_replay =
zfs_replay_fuid_domain(start, &start,