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| author | Nuno Sa <nuno.sa@analog.com> | 2024-06-06 09:22:37 +0200 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2024-06-30 12:27:16 +0100 |
| commit | dbbe7eaf0e4795bf003ac06872aaf52b6b6b1310 (patch) | |
| tree | f040d6894c9fdb5f80cf79e7878ec5b3a6ce5f62 /include/linux/dev_printk.h | |
| parent | aa9e366bb0bf457c7cff3d72276f5dfa43d5a244 (diff) | |
| download | lwn-dbbe7eaf0e4795bf003ac06872aaf52b6b6b1310.tar.gz lwn-dbbe7eaf0e4795bf003ac06872aaf52b6b6b1310.zip | |
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 <nuno.sa@analog.com>
Link: https://patch.msgid.link/20240606-dev-add_dev_errp_probe-v3-1-51bb229edd79@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'include/linux/dev_printk.h')
| -rw-r--r-- | include/linux/dev_printk.h | 8 |
1 files changed, 8 insertions, 0 deletions
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_ */ |