lkml.org 
[lkml]   [2018]   [Dec]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v4 3/3] driver core: add probe_err_ptr helper
Date
probe_err is useful in multiple contexts where error is encoded in pointer.
Adding helper performing conversion to error value should simplify code
further.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
---
include/linux/device.h | 2 ++
1 file changed, 2 insertions(+)

diff --git a/include/linux/device.h b/include/linux/device.h
index 2d3a1cc6f5da..50632414c363 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -1594,6 +1594,8 @@ do { \
extern __printf(3, 4)
int probe_err(const struct device *dev, int err, const char *fmt, ...);

+#define probe_err_ptr(dev, ptr, args...) probe_err(dev, PTR_ERR(ptr), args)
+
/* Create alias, so I can be autoloaded. */
#define MODULE_ALIAS_CHARDEV(major,minor) \
MODULE_ALIAS("char-major-" __stringify(major) "-" __stringify(minor))
--
2.17.1
\
 
 \ /
  Last update: 2018-12-20 11:24    [W:0.128 / U:15.680 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site