random delay instead
which avoids potential division by zero.
Signed-off-by: weichenchen
---
V4:
- Use prandom_u32_max() to get a random delay in
pneigh_enqueue().
V3:
- Callers need to pass the delay time to pneigh_enqueue()
now and they should guarantee it is not zero
delay time passed in
by the callers and the callers guarantee it is not zero.
Signed-off-by: weichenchen
---
V3:
- Callers need to pass the delay time to pneigh_enqueue()
now and they should guarantee it is not zero.
- Use READ_ONCE() to read NEIGH_VAR(p, PROXY_DELAY) in both
of
, PROXY_DELAY) in
pneigh_enqueue() to ensure not to take zero as modulus.
Signed-off-by: weichenchen
---
V2:
- Use READ_ONCE() to prevent the complier from re-reading
NEIGH_VAR(p, PROXY_DELAY).
- Give a hint to the complier that delay <= 0 is unlikely
to happen.
Note: I don'
, PROXY_DELAY) in
pneigh_enqueue() to ensure not to take zero as modulus.
Signed-off-by: weichenchen
---
net/core/neighbour.c | 9 +++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 9500d28a43b0..eb5d015c53d3 100644
--- a/net/core
