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auxdisplay: panel: Fix an API misuse in panel.c

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Variable allocated by charlcd_alloc() should be released
by charlcd_free(). The following patch changed kfree() to
charlcd_free() to fix an API misuse.

Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Fixes: 718e05ed92 ("auxdisplay: Introduce hd44780_common.[ch]")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit is contained in:
Andy Shevchenko
2025-02-24 14:36:25 +02:00
parent 9b98a7d2e5
commit 72e1c440c8
1 changed files with 2 additions and 2 deletions
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4
drivers/auxdisplay/panel.c
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@@ -1664,7 +1664,7 @@ static void panel_attach(struct parport *port)
if (lcd.enabled)
charlcd_unregister(lcd.charlcd);
err_unreg_device:
kfree(lcd.charlcd);
charlcd_free(lcd.charlcd);
lcd.charlcd = NULL;
parport_unregister_device(pprt);
pprt = NULL;
@@ -1692,7 +1692,7 @@ static void panel_detach(struct parport *port)
charlcd_unregister(lcd.charlcd);
lcd.initialized = false;
kfree(lcd.charlcd->drvdata);
kfree(lcd.charlcd);
charlcd_free(lcd.charlcd);
lcd.charlcd = NULL;
}