Stefan Hajnoczi
ddd3d4081f
vhost: return bool from *_access_ok() functions ...
Currently vhost *_access_ok() functions return int. This is error-prone
because there are two popular conventions:
1. 0 means failure, 1 means success
2. -errno means failure, 0 means success
Although vhost mostly uses #1 , it does not do so consistently.
umem_access_ok() uses #2 .
This patch changes the return type from int to bool so that false means
failure and true means success. This eliminates a potential source of
errors.
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ddd3d4081f