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fs: fat: unaligned buffers are not an error

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The FAT driver supports unaligned reads and writes and EFI applications
will make use of these. So a misaligned buffer is only worth a debug
message.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Heinrich Schuchardt 2018-09-13 19:42:47 +02:00 committed by Alexander Graf
parent 050cea770a
commit 1c381cebb7
2 changed files with 2 additions and 2 deletions
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2
fs/fat/fat.c
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@ -260,7 +260,7 @@ get_cluster(fsdata *mydata, __u32 clustnum, __u8 *buffer, unsigned long size)
if ((unsigned long)buffer & (ARCH_DMA_MINALIGN - 1)) {
ALLOC_CACHE_ALIGN_BUFFER(__u8, tmpbuf, mydata->sect_size);
printf("FAT: Misaligned buffer address (%p)\n", buffer);
debug("FAT: Misaligned buffer address (%p)\n", buffer);
while (size >= mydata->sect_size) {
ret = disk_read(startsect++, 1, tmpbuf);

2
fs/fat/fat_write.c
View File

@ -409,7 +409,7 @@ set_cluster(fsdata *mydata, __u32 clustnum, __u8 *buffer,
if ((unsigned long)buffer & (ARCH_DMA_MINALIGN - 1)) {
ALLOC_CACHE_ALIGN_BUFFER(__u8, tmpbuf, mydata->sect_size);
printf("FAT: Misaligned buffer address (%p)\n", buffer);
debug("FAT: Misaligned buffer address (%p)\n", buffer);
while (size >= mydata->sect_size) {
memcpy(tmpbuf, buffer, mydata->sect_size);