Message ID | 20200501143917.1388957-2-boris.brezillon@collabora.com |
---|---|
State | Accepted |
Headers | show |
Series | mtd: rawnand: diskonchip: Convert to exec_op() | expand |
On Fri, 2020-05-01 at 14:39:13 UTC, Boris Brezillon wrote: > Single byte accesses normally go through read_byte() but we are about > to use this function in the exec_op() implementation and thus needs to > prepare for single byte reads. > > Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks. Miquel
diff --git a/drivers/mtd/nand/raw/diskonchip.c b/drivers/mtd/nand/raw/diskonchip.c index 03f772a0ec2b..724493624822 100644 --- a/drivers/mtd/nand/raw/diskonchip.c +++ b/drivers/mtd/nand/raw/diskonchip.c @@ -550,9 +550,12 @@ static void doc2001plus_readbuf(struct nand_chip *this, u_char *buf, int len) } /* Terminate read pipeline */ - buf[len - 2] = ReadDOC(docptr, Mplus_LastDataRead); - if (debug && i < 16) - printk("%02x ", buf[len - 2]); + if (len >= 2) { + buf[len - 2] = ReadDOC(docptr, Mplus_LastDataRead); + if (debug && i < 16) + printk("%02x ", buf[len - 2]); + } + buf[len - 1] = ReadDOC(docptr, Mplus_LastDataRead); if (debug && i < 16) printk("%02x ", buf[len - 1]);
Single byte accesses normally go through read_byte() but we are about to use this function in the exec_op() implementation and thus needs to prepare for single byte reads. Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> --- drivers/mtd/nand/raw/diskonchip.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-)