Hello Kozlov Sergey,
The patch 52b1eaf4c59a: "[media] netup_unidvb: NetUP Universal
DVB-S/S2/T/T2/C PCI-E card driver" from Jul 28, 2015, leads to the
following static checker warning:
drivers/media/pci/netup_unidvb/netup_unidvb_spi.c:84
netup_spi_interrupt()
error: we previously assumed 'spi' could be null (see line 83)
drivers/media/pci/netup_unidvb/netup_unidvb_spi.c
78 irqreturn_t netup_spi_interrupt(struct netup_spi *spi)
79 {
80 u16 reg;
81 unsigned long flags;
82
83 if (!spi) {
^^^^
84 dev_dbg(&spi->master->dev,
^^^^^^^^^^^^^^^^^
85 "%s(): SPI not initialized\n", __func__);
86 return IRQ_NONE;
87 }
88 spin_lock_irqsave(&spi->lock, flags);
See also:
drivers/media/pci/netup_unidvb/netup_unidvb_spi.c:238
netup_spi_release()
error: we previously assumed 'spi' could be null (see line 237)
regards,
dan carpenter
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