Sean Hefty wrote:
Vlad, can you please pull this change into OFED?
Approved
Tziporet
next_port should be between sysctl_local_port_range[0] and [1].
However,
it is initially set to a random value. If the value is negative,
next_port
can fall outside of this range because of the % operator returning a
negative value.
Signed-off-by: Sean Hefty <[EMAIL PROTECTED]>
---
drivers/infiniband/core/cma.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/infiniband/core/cma.c
b/drivers/infiniband/core/cma.c
index eb15119..b0831cb 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -2772,8 +2772,8 @@ static int cma_init(void)
int ret;
get_random_bytes(&next_port, sizeof next_port);
- next_port = (next_port % (sysctl_local_port_range[1] -
- sysctl_local_port_range[0])) +
+ next_port = ((unsigned int) next_port %
+ (sysctl_local_port_range[1] -
sysctl_local_port_range[0])) +
sysctl_local_port_range[0];
cma_wq = create_singlethread_workqueue("rdma_cm");
if (!cma_wq)
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