In e2fsprogs v1.46.2, s_volume_name is defined with attribute
nonstring. According to gcc doc, nostring defined string may
not contain a terminating NULL. So array safed function should
be used.
We use strncmp instead of strcmp to do comparing here.
Tracked-On: #6494
Signed-off-by: Yin Fengwei <fengwei.yin@intel.com>
Reviewed-by: Jason Chen CJ <jason.cj.chen@intel.com>