From d0dc6c17c5025639a7beef8d52792932fd8da0fc Mon Sep 17 00:00:00 2001 From: Stanislav Brabec Date: Mon, 25 May 2015 18:21:36 +0200 Subject: Fix /sys to /dev node name translation linux/drivers/base/core.c: device_get_devnode() defines a translation of '!' in sysfs nodes to '/' in /dev nodes. The same translation has to be done to properly support device nodes with slash (e. g. device nodes of cciss driver and several other drivers). Introduce new helper sysfs_devname_to_devno() and use it where appropriate. Fixes for example lsblk -f on devices using cciss driver. Signed-off-by: Stanislav Brabec --- include/sysfs.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'include/sysfs.h') diff --git a/include/sysfs.h b/include/sysfs.h index 1de624aad..4564124df 100644 --- a/include/sysfs.h +++ b/include/sysfs.h @@ -91,4 +91,22 @@ extern int sysfs_scsi_host_is(struct sysfs_cxt *cxt, const char *type); extern int sysfs_scsi_has_attribute(struct sysfs_cxt *cxt, const char *attr); extern int sysfs_scsi_path_contains(struct sysfs_cxt *cxt, const char *pattern); +/** + * sysfs_devname_to_dev_name: + * @name: devname to be converted in place + * + * Linux kernel linux/drivers/base/core.c: device_get_devnode() + * defines a replacement of '!' in the /sys device name by '/' in the + * /dev device name. This helper replaces all ocurrences of '!' in + * @name by '/'. + */ +static inline void sysfs_devname_to_dev_name (char *name) +{ + char *c; + + if (name) + while ((c = strchr(name, '!'))) + c[0] = '/'; +} + #endif /* UTIL_LINUX_SYSFS_H */ -- cgit v1.2.3-55-g7522