IB/qib: Fix size of cc_supported_table_entries
Commit 36a8f01cd24b ("IB/qib: Add congestion control agent
implementation") tries to store the value 1984 in a u8, which leads to
truncation. Fix this by making the member big enough.
This bug was detected by a smatch warning.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Ramkrishna Vepa <ramkrishna.vepa@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
diff --git a/drivers/infiniband/hw/qib/qib.h b/drivers/infiniband/hw/qib/qib.h
index 6e19ec8..7b1b8669 100644
--- a/drivers/infiniband/hw/qib/qib.h
+++ b/drivers/infiniband/hw/qib/qib.h
@@ -656,6 +656,11 @@
/* 16 congestion entries with each entry corresponding to a SL */
struct ib_cc_congestion_entry_shadow *congestion_entries;
+ /* Maximum number of congestion control entries that the agent expects
+ * the manager to send.
+ */
+ u16 cc_supported_table_entries;
+
/* Total number of congestion control table entries */
u16 total_cct_entry;
@@ -667,11 +672,6 @@
/* CA's max number of 64 entry units in the congestion control table */
u8 cc_max_table_entries;
-
- /* Maximum number of congestion control entries that the agent expects
- * the manager to send.
- */
- u8 cc_supported_table_entries;
};
/* Observers. Not to be taken lightly, possibly not to ship. */