[PATCH 2/7] hvcs: Remove sysfs file prior to vio unregister

Brian King brking at linux.vnet.ibm.com
Tue Jan 31 09:43:16 AEDT 2023


This moves the removal of the rescan sysfs attribute to occur
before the call to unregister the vio to ensure the removal
does not fail due to the vio driver already being freed.

Signed-off-by: Brian King <brking at linux.vnet.ibm.com>
---
 drivers/tty/hvc/hvcs.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/hvc/hvcs.c b/drivers/tty/hvc/hvcs.c
index faf5ccfc561e..9131dcb2e8d8 100644
--- a/drivers/tty/hvc/hvcs.c
+++ b/drivers/tty/hvc/hvcs.c
@@ -1519,6 +1519,8 @@ static int __init hvcs_module_init(void)
 
 static void __exit hvcs_module_exit(void)
 {
+	driver_remove_file(&hvcs_vio_driver.driver, &driver_attr_rescan);
+
 	/*
 	 * This driver receives hvcs_remove callbacks for each device upon
 	 * module removal.
@@ -1538,8 +1540,6 @@ static void __exit hvcs_module_exit(void)
 	hvcs_pi_buff = NULL;
 	spin_unlock(&hvcs_pi_lock);
 
-	driver_remove_file(&hvcs_vio_driver.driver, &driver_attr_rescan);
-
 	tty_unregister_driver(hvcs_tty_driver);
 
 	hvcs_free_index_list();
-- 
2.31.1



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