[PATCH 17/21] fbcon: Move more code into fbcon_release
From: Daniel Vetter <hidden>
Date: 2022-01-31 21:08:56
Also in:
dri-devel, intel-gfx, lkml
Subsystem:
framebuffer console, framebuffer core, framebuffer layer, the rest · Maintainers:
Helge Deller, Thomas Zimmermann, Simona Vetter, Linus Torvalds
con2fb_release_oldinfo() has a bunch more kfree() calls than fbcon_exit(), but since kfree() on NULL is harmless doing that in both places should be ok. This is also a bit more symmetric now again with fbcon_open also allocating the fbcon_ops structure. Signed-off-by: Daniel Vetter <redacted> Cc: Daniel Vetter <redacted> Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Du Cheng <redacted> Cc: Claudio Suarez <redacted> --- drivers/video/fbdev/core/fbcon.c | 33 +++++++++++++------------------- 1 file changed, 13 insertions(+), 20 deletions(-)
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index e5e8aaf6f60d..5c14e24d14a1 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c@@ -688,6 +688,18 @@ static void fbcon_release(struct fb_info *info) unlock_fb_info(info); module_put(info->fbops->owner); + + if (info->fbcon_par) { + struct fbcon_ops *ops = info->fbcon_par; + + fbcon_del_cursor_work(info); + kfree(ops->cursor_state.mask); + kfree(ops->cursor_data); + kfree(ops->cursor_src); + kfree(ops->fontbuffer); + kfree(info->fbcon_par); + info->fbcon_par = NULL; + } } static int fbcon_open(struct fb_info *info)
@@ -741,18 +753,10 @@ static int con2fb_acquire_newinfo(struct vc_data *vc, struct fb_info *info, static void con2fb_release_oldinfo(struct vc_data *vc, struct fb_info *oldinfo, struct fb_info *newinfo) { - struct fbcon_ops *ops = oldinfo->fbcon_par; int ret; fbcon_release(oldinfo); - fbcon_del_cursor_work(oldinfo); - kfree(ops->cursor_state.mask); - kfree(ops->cursor_data); - kfree(ops->cursor_src); - kfree(ops->fontbuffer); - kfree(oldinfo->fbcon_par); - oldinfo->fbcon_par = NULL; /* If oldinfo and newinfo are driving the same hardware, the fb_release() method of oldinfo may attempt to
@@ -3335,19 +3339,8 @@ static void fbcon_exit(void) } } - if (mapped) { - if (info->fbcon_par) { - struct fbcon_ops *ops = info->fbcon_par; - - fbcon_del_cursor_work(info); - kfree(ops->cursor_src); - kfree(ops->cursor_state.mask); - kfree(info->fbcon_par); - info->fbcon_par = NULL; - } - + if (mapped) fbcon_release(info); - } } }
--
2.33.0