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with while (--worklimit >= 0); worklimit reaches -1 after the loop. In 3c589_cs.c this caused a warning not to be printed. In 3c574_cs.c contrastingly, el3_rx() treats worklimit differently: static int el3_rx(struct net_device *dev, int worklimit) { while (--worklimit >= 0) { ... } return worklimit; } el3_rx() is only called by function el3_interrupt(): twice: static irqreturn_t el3_interrupt(int irq, void *dev_id) { int work_budget = max_interrupt_work; while(...) { if (...) work_budget = el3_rx(dev, work_budget); if (...) work_budget = el3_rx(dev, work_budget); if (--work_budget < 0) { ... break; } } } The error path can occur 2 too early. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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.. | ||
3c574_cs.c | ||
3c589_cs.c | ||
axnet_cs.c | ||
com20020_cs.c | ||
fmvj18x_cs.c | ||
ibmtr_cs.c | ||
Kconfig | ||
Makefile | ||
nmclan_cs.c | ||
ositech.h | ||
pcnet_cs.c | ||
smc91c92_cs.c | ||
xirc2ps_cs.c |