Hello,
On 04/03/2014 06:44 AM, Nobuhiro Iwamatsu wrote:
Use of malloc of do_fat_write() from USB media causes cache error on
I would remove 'from USB media' from the commit log as it doesn't really matter where
you read from.
ARM v7 platforms. Perhaps, the same problem will occur at any other CPUs.
This replaces malloc with memalign to fix cache buffer alignment.
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu...@renesas.com>
Signed-off-by: Yoshiyuki Ito <yoshiyuki.ito...@renesas.com>
---
fs/fat/fat_write.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/fat/fat_write.c b/fs/fat/fat_write.c
index 9f5e911..cef138e 100644
--- a/fs/fat/fat_write.c
+++ b/fs/fat/fat_write.c
@@ -952,7 +952,7 @@ static int do_fat_write(const char *filename, void *buffer,
}
mydata->fatbufnum = -1;
- mydata->fatbuf = malloc(FATBUFSIZE);
+ mydata->fatbuf = memalign(ARCH_DMA_MINALIGN, FATBUFSIZE);
if (mydata->fatbuf == NULL) {
debug("Error: allocating memory\n");
return -1;
Tested on an i.MX6 custom platform.
Tested-by: Hector Palacios <hector.palac...@digi.com>
Thanks,
--
Héctor Palacios
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