mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-24 21:24:00 +08:00
IB/rxe: Add a runtime check in alloc_index()
Since index values equal to or above 'range' can trigger memory corruption, complain if index >= range. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: Andrew Boyer <andrew.boyer@dell.com> Cc: Moni Shoua <monis@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
parent
43553b47c3
commit
642c7cbcaf
@ -266,6 +266,7 @@ static u32 alloc_index(struct rxe_pool *pool)
|
||||
if (index >= range)
|
||||
index = find_first_zero_bit(pool->table, range);
|
||||
|
||||
WARN_ON_ONCE(index >= range);
|
||||
set_bit(index, pool->table);
|
||||
pool->last = index;
|
||||
return index + pool->min_index;
|
||||
|
Loading…
Reference in New Issue
Block a user