[PATCH 1/4] dev_printk: add new dev_errp_probe() helper

From: Nuno Sa
Date: Thu Apr 04 2024 - 07:04:49 EST


This is similar to dev_err_probe() but for cases where an ERR_PTR() is
to be returned simplifying patterns like:

dev_err_probe(dev, ret, ...);
return ERR_PTR(ret)

Signed-off-by: Nuno Sa <nuno.sa@xxxxxxxxxx>
---
include/linux/dev_printk.h | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/include/linux/dev_printk.h b/include/linux/dev_printk.h
index ae80a303c216..790144f6f99c 100644
--- a/include/linux/dev_printk.h
+++ b/include/linux/dev_printk.h
@@ -277,4 +277,9 @@ do { \

__printf(3, 4) int dev_err_probe(const struct device *dev, int err, const char *fmt, ...);

+/* Simple helper for dev_err_probe() when ERR_PTR() is to be returned. */
+#define dev_errp_probe(dev, ___err, fmt, ...) ({ \
+ ERR_PTR(dev_err_probe(dev, ___err, fmt, ##__VA_ARGS__)); \
+})
+
#endif /* _DEVICE_PRINTK_H_ */

--
2.44.0