]> pilppa.com Git - linux-2.6-omap-h63xx.git/commitdiff
ARM: OMAP: DMA: Fix uninitialized channel flags
authorJarkko Nikula <jarkko.nikula@nokia.com>
Thu, 29 Jan 2009 16:57:12 +0000 (08:57 -0800)
committerTony Lindgren <tony@atomide.com>
Thu, 29 Jan 2009 16:57:12 +0000 (08:57 -0800)
This has similar symptoms than 66c23551b1b774e2be3c7bdf91c0ebf2c7a3519e
where just omap_request_dma, omap_dma_link_lch and omap_dma_unlink_lch
can cause incorrect dump_stack(). Here it can happen if channel has been
used before and the channel flags variable holds old status.

Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
arch/arm/plat-omap/dma.c

index bec8e363d545fae4fb9bf1dbfa1d33942b702d73..47ec77af4ccbe3a66e6071dce829797152806c1e 100644 (file)
@@ -709,6 +709,7 @@ int omap_request_dma(int dev_id, const char *dev_name,
        chan->dev_name = dev_name;
        chan->callback = callback;
        chan->data = data;
+       chan->flags = 0;
 
 #ifndef CONFIG_ARCH_OMAP1
        if (cpu_class_is_omap2()) {