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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2023-11-05 22:44:08 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-11-23 19:31:08 +0000
commit7f30c19caf94b98a1f672376e85a6968d756c25e (patch)
tree5c8236630c57531a31bc5914e34301d979f6d802 /drivers/tty
parent9c8c269b4ae9c1b7f00350cec4777d17154049c0 (diff)
tty: hvc: Make hvc_remove() return no value
The function hvc_remove() returns zero unconditionally. Make it return void instead to make it obvious that the caller doesn't need to do any error handling. Accordingly drop the error handling from hvc_opal_remove(). Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Nicholas Piggin <npiggin@gmail.com> Link: https://lore.kernel.org/r/20231105214406.3765906-5-u.kleine-koenig@pengutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/hvc/hvc_console.c3
-rw-r--r--drivers/tty/hvc/hvc_console.h2
-rw-r--r--drivers/tty/hvc/hvc_opal.c15
3 files changed, 9 insertions, 11 deletions
diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c
index 959fae54ca39..57f5c37125e6 100644
--- a/drivers/tty/hvc/hvc_console.c
+++ b/drivers/tty/hvc/hvc_console.c
@@ -976,7 +976,7 @@ struct hvc_struct *hvc_alloc(uint32_t vtermno, int data,
}
EXPORT_SYMBOL_GPL(hvc_alloc);
-int hvc_remove(struct hvc_struct *hp)
+void hvc_remove(struct hvc_struct *hp)
{
unsigned long flags;
struct tty_struct *tty;
@@ -1010,7 +1010,6 @@ int hvc_remove(struct hvc_struct *hp)
tty_vhangup(tty);
tty_kref_put(tty);
}
- return 0;
}
EXPORT_SYMBOL_GPL(hvc_remove);
diff --git a/drivers/tty/hvc/hvc_console.h b/drivers/tty/hvc/hvc_console.h
index 9668f821db01..78f7543511f1 100644
--- a/drivers/tty/hvc/hvc_console.h
+++ b/drivers/tty/hvc/hvc_console.h
@@ -77,7 +77,7 @@ extern int hvc_instantiate(uint32_t vtermno, int index,
extern struct hvc_struct * hvc_alloc(uint32_t vtermno, int data,
const struct hv_ops *ops, int outbuf_size);
/* remove a vterm from hvc tty operation (module_exit or hotplug remove) */
-extern int hvc_remove(struct hvc_struct *hp);
+extern void hvc_remove(struct hvc_struct *hp);
/* data available */
int hvc_poll(struct hvc_struct *hp);
diff --git a/drivers/tty/hvc/hvc_opal.c b/drivers/tty/hvc/hvc_opal.c
index 992e199e0ea8..8995b253cf90 100644
--- a/drivers/tty/hvc/hvc_opal.c
+++ b/drivers/tty/hvc/hvc_opal.c
@@ -235,16 +235,15 @@ static int hvc_opal_probe(struct platform_device *dev)
static int hvc_opal_remove(struct platform_device *dev)
{
struct hvc_struct *hp = dev_get_drvdata(&dev->dev);
- int rc, termno;
+ int termno;
termno = hp->vtermno;
- rc = hvc_remove(hp);
- if (rc == 0) {
- if (hvc_opal_privs[termno] != &hvc_opal_boot_priv)
- kfree(hvc_opal_privs[termno]);
- hvc_opal_privs[termno] = NULL;
- }
- return rc;
+ hvc_remove(hp);
+ if (hvc_opal_privs[termno] != &hvc_opal_boot_priv)
+ kfree(hvc_opal_privs[termno]);
+ hvc_opal_privs[termno] = NULL;
+
+ return 0;
}
static struct platform_driver hvc_opal_driver = {