Dan Carpenter 618887768b kunit: update NULL vs IS_ERR() tests
The alloc_string_stream() functions were changed from returning NULL on
error to returning error pointers so these caller needs to be updated
as well.

Fixes: 78b1c6584fce ("kunit: string-stream: Simplify resource use")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Daniel Latypov <dlatypov@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2022-10-18 15:08:42 -06:00
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