fs: fat: Fix cache align error message in fatwrite

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.yj@renesas.com> Signed-off-by: Yoshiyuki Ito <yoshiyuki.ito.ub@renesas.com> Tested-by: Hector Palacios <hector.palacios@digi.com>

fs: fat: Fix cache align error message in fatwrite
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.yj@renesas.com> Signed-off-by: Yoshiyuki Ito <yoshiyuki.ito.ub@renesas.com> Tested-by: Hector Palacios <hector.palacios@digi.com>
Nobuhiro Iwamatsu · Tom Rini
1 parent 8e2615752e
Showing 1 changed file with 1 additions and 1 deletions Side-by-side Diff
fs/fat/fat_write.c
@@ -952,7 +952,7 @@
 	}
  
 	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;
...	...	@@ -952,7 +952,7 @@
952	952	}
953	953
954	954	mydata->fatbufnum = -1;
955		- mydata->fatbuf = malloc(FATBUFSIZE);
	955	+ mydata->fatbuf = memalign(ARCH_DMA_MINALIGN, FATBUFSIZE);
956	956	if (mydata->fatbuf == NULL) {
957	957	debug("Error: allocating memory\n");
958	958	return -1;