Commit 31ee9181eb92: (mmc: omap: Fix DMA configuration to not rely
on device id) fixed getting of the DMA resources when booted with
device tree. This patch however changed the handling of the
free_mem_region() error path by reusing the struct resource *res
for the DMA resources.
Fix the error the same way omap_hsmmc.c driver handles it, which
is to restore the resource before using the values to call
release_mem_region().
Reported-by: Dan Carpenter <dan.carpen...@oracle.com>
Signed-off-by: Tony Lindgren <t...@atomide.com>
---
Chris, looks like the patch introducing this error is queued in
arm-soc fixes branch.. Care to ack this one too and I'll merge it
via arm-soc as well?
After that, no need for me to patch this driver for my mach-omap2
device tree conversion I hope :)
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -1465,7 +1465,10 @@ err_free_mmc_host:
err_ioremap:
kfree(host);
err_free_mem_region:
- release_mem_region(res->start, resource_size(res));
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (res)
+ release_mem_region(res->start, resource_size(res));
+
return ret;
}
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