Nico Huber has uploaded this change for review. ( https://review.coreboot.org/22017
Change subject: spi25_statusreg: Return defined value on failed RDSR ......................................................................
spi25_statusreg: Return defined value on failed RDSR
The interface of spi_read_status_register() is broken and can't return errors. Let's not return random stack data at least.
Change-Id: I714b20001a5443bba665c2e0061ca14069777581 Signed-off-by: Nico Huber nico.h@gmx.de --- M spi25_statusreg.c 1 file changed, 4 insertions(+), 1 deletion(-)
git pull ssh://review.coreboot.org:29418/flashrom refs/changes/17/22017/1
diff --git a/spi25_statusreg.c b/spi25_statusreg.c index 01a6862..05c7acf 100644 --- a/spi25_statusreg.c +++ b/spi25_statusreg.c @@ -117,8 +117,11 @@
/* Read Status Register */ ret = spi_send_command(flash, sizeof(cmd), sizeof(readarr), cmd, readarr); - if (ret) + if (ret) { msg_cerr("RDSR failed!\n"); + /* FIXME: We should propagate the error. */ + return 0; + }
return readarr[0]; }