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authorDan Carpenter <dan.carpenter@oracle.com>2016-10-13 11:56:57 +0300
committerDavid S. Miller <davem@davemloft.net>2016-10-13 12:12:50 -0400
commit10f6c4d6ab2cdde768e29f41fbfbdde6c91fd1ff (patch)
tree894ec103f7821c783a42274bd17e61cfaeeca103 /drivers
parent775f4f05501b3e36550ab63a592de3abd02e7591 (diff)
liquidio: CN23XX: fix a loop timeout
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@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c b/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c
index bddb198c0b74..380a64115a98 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));