[dpdk-stable] [PATCH] net/sfc/base: fix Tx descriptor max number check

[Andrew Rybchenko]

From: Igor Romanov <igor.romanov at oktetlabs.ru>

Fix check of maximum descriptor number (compare with maximum Tx
descriptor number instead of maximum EVQ events number).

Fixes: f7dc06bf35f2 ("net/sfc/base: import 5xxx/6xxx family support")
Cc: stable at dpdk.org

Signed-off-by: Igor Romanov <igor.romanov at oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko at solarflare.com>
---
 drivers/net/sfc/base/efx_tx.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/sfc/base/efx_tx.c b/drivers/net/sfc/base/efx_tx.c
index bf1180a1e..9fa9e2ed1 100644
--- a/drivers/net/sfc/base/efx_tx.c
+++ b/drivers/net/sfc/base/efx_tx.c
@@ -926,7 +926,8 @@ siena_tx_qcreate(
 	EFX_STATIC_ASSERT(ISP2(EFX_TXQ_MINNDESCS));
 
 	if (!ISP2(ndescs) ||
-	    (ndescs < EFX_TXQ_MINNDESCS) || (ndescs > EFX_EVQ_MAXNEVS)) {
+	    (ndescs < EFX_TXQ_MINNDESCS) ||
+	    (ndescs > encp->enc_txq_max_ndescs)) {
 		rc = EINVAL;
 		goto fail1;
 	}
-- 
2.17.1