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[v4,14/23] drivers/base: Make device_find_child_by_name() compatible with sysfs inputs

Message ID 159643102106.4062302.12229802117645312104.stgit@dwillia2-desk3.amr.corp.intel.com (mailing list archive)
State New, archived
Headers show
Series device-dax: Support sub-dividing soft-reserved ranges | expand

Commit Message

Dan Williams Aug. 3, 2020, 5:03 a.m. UTC 
Use sysfs_streq() in device_find_child_by_name() to allow it to use a
sysfs input string that might contain a trailing newline.

The other "device by name" interfaces,
{bus,driver,class}_find_device_by_name(), already account for sysfs
strings.

Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/base/core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/base/core.c b/drivers/base/core.c
index 2169c5132558..231189dd6599 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -3328,7 +3328,7 @@  struct device *device_find_child_by_name(struct device *parent,
 
 	klist_iter_init(&parent->p->klist_children, &i);
 	while ((child = next_device(&i)))
-		if (!strcmp(dev_name(child), name) && get_device(child))
+		if (sysfs_streq(dev_name(child), name) && get_device(child))
 			break;
 	klist_iter_exit(&i);
 	return child;