tle62x0 driver stops ignoring read errors
The tle62x0 driver was ignoring all read errors. This patch makes it
pass such errors up the stack, instead of returning bogus data.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/spi/tle62x0.c b/drivers/spi/tle62x0.c
index 6da58ca..455991f 100644
--- a/drivers/spi/tle62x0.c
+++ b/drivers/spi/tle62x0.c
@@ -107,8 +107,11 @@
mutex_lock(&st->lock);
ret = tle62x0_read(st);
-
dev_dbg(dev, "tle62x0_read() returned %d\n", ret);
+ if (ret < 0) {
+ mutex_unlock(&st->lock);
+ return ret;
+ }
for (ptr = 0; ptr < (st->nr_gpio * 2)/8; ptr += 1) {
fault <<= 8;