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ath5k: correct interrupt storm warning

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Ben Greear points out that the "too many interrupts" message will
never print in the intended case since the interrupt counter
will be -1 after the loop.  Change it to pre-decrement so it will
be 0 on the thousandth iteration.

Cc: Ben Greear <greearb@candelatech.com>

Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Bob Copeland
2009-04-27 22:18:10 -04:00
committed by John W. Linville
parent 35f00cfcc0
commit 2516baa63b
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/ath/ath5k/base.c
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@@ -2505,7 +2505,7 @@ ath5k_intr(int irq, void *dev_id)
ath5k_hw_update_mib_counters(ah, &sc->ll_stats); ath5k_hw_update_mib_counters(ah, &sc->ll_stats);
} }
} }
} while (ath5k_hw_is_intr_pending(ah) && counter-- > 0); } while (ath5k_hw_is_intr_pending(ah) && --counter > 0);
if (unlikely(!counter)) if (unlikely(!counter))
ATH5K_WARN(sc, "too many interrupts, giving up for now\n"); ATH5K_WARN(sc, "too many interrupts, giving up for now\n");