Use of malloc of do_fat_write() causes cache error on 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>
Tested-by: Hector Palacios <hector.palac...@digi.com>
---
v2: Fix commit message.
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;
--
1.8.5
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