This is supposed to loop 1000 times and then give up. The problem is
it's a post-op and after the loop we test if "loop" is zero when really
it would be -1. Fix this by making it a pre-op.
Fixes: 1b7c55c4538b ("liquidio: CN23XX queue manipulation")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c b/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c
index bddb198..380a641 100644
--- a/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c
+++ b/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c
@@ -693,7 +693,7 @@ static int cn23xx_enable_io_queues(struct octeon_device *oct)
while ((reg_val & CN23XX_PKT_INPUT_CTL_RST) &&
!(reg_val &
CN23XX_PKT_INPUT_CTL_QUIET) &&
- loop--) {
+ --loop) {
reg_val = octeon_read_csr64(
oct,
CN23XX_SLI_IQ_PKT_CONTROL64(q_no));
--
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