From: Nuno Sa Date: Thu, 6 Jun 2024 07:22:37 +0000 (+0200) Subject: dev_printk: add new dev_err_probe() helpers X-Git-Tag: io_uring-6.11-20240722~8^2~42^2~7 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=dbbe7eaf0e4795bf003ac06872aaf52b6b6b1310;p=linux-block.git dev_printk: add new dev_err_probe() helpers This is similar to dev_err_probe() but for cases where an ERR_PTR() or ERR_CAST() is to be returned simplifying patterns like: dev_err_probe(dev, ret, ...); return ERR_PTR(ret) or dev_err_probe(dev, PTR_ERR(ptr), ...); return ERR_CAST(ptr) Signed-off-by: Nuno Sa Link: https://patch.msgid.link/20240606-dev-add_dev_errp_probe-v3-1-51bb229edd79@analog.com Signed-off-by: Jonathan Cameron --- diff --git a/include/linux/dev_printk.h b/include/linux/dev_printk.h index ae80a303c216..ca32b5bb28eb 100644 --- a/include/linux/dev_printk.h +++ b/include/linux/dev_printk.h @@ -277,4 +277,12 @@ 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_err_ptr_probe(dev, ___err, fmt, ...) \ + ERR_PTR(dev_err_probe(dev, ___err, fmt, ##__VA_ARGS__)) + +/* Simple helper for dev_err_probe() when ERR_CAST() is to be returned. */ +#define dev_err_cast_probe(dev, ___err_ptr, fmt, ...) \ + ERR_PTR(dev_err_probe(dev, PTR_ERR(___err_ptr), fmt, ##__VA_ARGS__)) + #endif /* _DEVICE_PRINTK_H_ */