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virtiofsd: check whether strdup lo.source return NULL in main func

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In main func, strdup lo.source may fail. So check whether strdup
lo.source return NULL before using it.

Signed-off-by: Haotian Li <lihaotian9@huawei.com>
Signed-off-by: Zhiqiang Liu <liuzhiqiang26@huawei.com>
Message-Id: <f1e48ca8-d6de-d901-63c8-4f4024bda518@huawei.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Haotian Li 2020-11-11 09:10:38 +08:00 committed by Dr. David Alan Gilbert
parent db2e026a39
commit 7632b56c8f
1 changed files with 4 additions and 0 deletions
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4
tools/virtiofsd/passthrough_ll.c
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@ -3517,6 +3517,10 @@ int main(int argc, char *argv[])
}
} else {
lo.source = strdup("/");
if (!lo.source) {
fuse_log(FUSE_LOG_ERR, "failed to strdup source\n");
goto err_out1;
}
}
if (lo.xattrmap) {