Frank de Brabander cecaa76b29 selftests: txring_overwrite: fix incorrect test of mmap() return value ...

If mmap() fails it returns MAP_FAILED, which is defined as ((void *) -1).
The current if-statement incorrectly tests if *ring is NULL.

Fixes: 358be65640 ("selftests/net: add txring_overwrite")
Signed-off-by: Frank de Brabander <debrabander@gmail.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2019-07-08 15:39:38 -07:00

3.7 KiB

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