In megadev_ioctl(), if MEGA_HAVE_STATS is not defined, the variables num_ldrv and ustats are unused. Conditionally define them to avoid compiler warnings. Signed-off-by: Damien Le Moal <damien.lemoal@xxxxxxx> --- drivers/scsi/megaraid.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c index 96ecf5929e68..acd7c6ed77b1 100644 --- a/drivers/scsi/megaraid.c +++ b/drivers/scsi/megaraid.c @@ -2975,14 +2975,13 @@ megadev_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) void *data = NULL; /* data to be transferred */ dma_addr_t data_dma_hndl; /* dma handle for data xfer area */ megacmd_t mc; - megastat_t __user *ustats; - int num_ldrv; +#if MEGA_HAVE_STATS + megastat_t __user *ustats = NULL; + int num_ldrv = 0; +#endif u32 uxferaddr = 0; struct pci_dev *pdev; - ustats = NULL; /* avoid compilation warnings */ - num_ldrv = 0; - /* * Make sure only USCSICMD are issued through this interface. * MIMD application would still fire different command. -- 2.26.2