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Clang's static analyzer claims that dereferencing ds in dmu_objset_create_impl_dnstats() could cause a NULL pointer dereference when a previous NULL check confirms that it is NULL. It is only NULL on the MOS, for which dmu_objset_userused_enabled(os) should always return false, so ds will never be dereferenced when it is NULL. We add an assertion to suppress this warning. 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 #14470 |
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