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block/iscsi:use the flags in iscsi_open() prevent Clang warning 

Clang static code analyzer show warning:
  block/iscsi.c:1920:9: warning: Value stored to 'flags' is never read
        flags &= ~BDRV_O_RDWR;
        ^        ~~~~~~~~~~~~

In iscsi_allocmap_init() only checks BDRV_O_NOCACHE, which
is the same in both of flags and bs->open_flags.
We can use the flags instead bs->open_flags to prevent Clang warning.

Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Chen Qun <kuhn.chenqun@huawei.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200311032927.35092-1-kuhn.chenqun@huawei.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Chen Qun 2020-03-11 11:29:27 +08:00 committed by Kevin Wolf
parent cfe68ae025
commit 34afc5c298
1 changed files with 1 additions and 1 deletions
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2
block/iscsi.c
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@ -2002,7 +2002,7 @@ static int iscsi_open(BlockDriverState *bs, QDict *options, int flags,
iscsilun->cluster_size = iscsilun->bl.opt_unmap_gran *
iscsilun->block_size;
if (iscsilun->lbprz) {
ret = iscsi_allocmap_init(iscsilun, bs->open_flags);
ret = iscsi_allocmap_init(iscsilun, flags);
}
}