From mboxrd@z Thu Jan  1 00:00:00 1970
From: Fengguang Wu <fengguang.wu@intel.com>
Subject: sound/pci/au88x0/au88x0_core.c:2464 vortex_interrupt()
	warn: if();
Date: Tue, 23 Oct 2012 22:16:42 +0800
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Cc: Takashi Iwai <tiwai@suse.de>, Raymond Yau <superquad.vortex2@gmail.com>, yuanhan.liu@linux.intel.com
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Hi,

smatch warns about a weird "if();" in sound/pci/au88x0/au88x0_core.c 
Any ideas to fix it?

        2461 #ifndef CHIP_AU8810
        2462                 for (i = 0; i < NR_WT; i++) {
        2463                         if (vortex->dma_wt[i].fifo_status == FIFO_START) {
==>     2464                                 if (vortex_wtdma_bufshift(vortex, i)) ;
        2465                                 spin_unlock(&vortex->lock);
        2466                                 snd_pcm_period_elapsed(vortex->dma_wt[i].
        2467                                                        substream);
        2468                                 spin_lock(&vortex->lock);
        2469                         }
        2470                 }
        2471 #endif     

Thanks,
Fengguang