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| author | David Brownell <david-b@pacbell.net> | 2007-11-14 17:00:04 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-11-14 18:45:42 -0800 |
| commit | 822bd5aa2b8e8fa1d328f03bf5b9c75701481bf0 (patch) | |
| tree | 864abe3457ba16ddb3d37656b3c514d1648f87cc /drivers/spi | |
| parent | 8744969a819de4ee5158f4cdb30104601cc015d4 (diff) | |
| download | kernel_samsung_smdk4412-822bd5aa2b8e8fa1d328f03bf5b9c75701481bf0.zip kernel_samsung_smdk4412-822bd5aa2b8e8fa1d328f03bf5b9c75701481bf0.tar.gz kernel_samsung_smdk4412-822bd5aa2b8e8fa1d328f03bf5b9c75701481bf0.tar.bz2 | |
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>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/tle62x0.c | 5 |
1 files changed, 4 insertions, 1 deletions
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 @@ static ssize_t tle62x0_status_show(struct device *dev, 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; |