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liquidio: CN23XX: fix a loop timeout

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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>
This commit is contained in:
Dan Carpenter 2016-10-13 11:56:57 +03:00 committed by David S. Miller
parent 775f4f0550
commit 10f6c4d6ab
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c
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@ -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));