* [PATCH] video: fbdev: replacing of_node_put with __free(device_node)
@ 2024-04-23 1:20 Abdulrasaq Lawani
2024-04-25 10:13 ` Helge Deller
0 siblings, 1 reply; 2+ messages in thread
From: Abdulrasaq Lawani @ 2024-04-23 1:20 UTC (permalink / raw)
To: deller, sam, tzimmermann, christophe.jaillet, u.kleine-koenig,
julia.lawall
Cc: Abdulrasaq Lawani, linux-fbdev, dri-devel, linux-kernel, skhan,
javier.carrasco.cruz
Replaced instance of of_node_put with __free(device_node)
to simplify code and protect against any memory leaks
due to future changes in the control flow.
Suggested-by: Julia Lawall <julia.lawall@inria.fr>
Signed-off-by: Abdulrasaq Lawani <abdulrasaqolawani@gmail.com>
---
drivers/video/fbdev/offb.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/video/fbdev/offb.c b/drivers/video/fbdev/offb.c
index b421b46d88ef..ea38a260774b 100644
--- a/drivers/video/fbdev/offb.c
+++ b/drivers/video/fbdev/offb.c
@@ -357,7 +357,7 @@ static void offb_init_palette_hacks(struct fb_info *info, struct device_node *dp
par->cmap_type = cmap_gxt2000;
} else if (of_node_name_prefix(dp, "vga,Display-")) {
/* Look for AVIVO initialized by SLOF */
- struct device_node *pciparent = of_get_parent(dp);
+ struct device_node *pciparent __free(device_node) = of_get_parent(dp);
const u32 *vid, *did;
vid = of_get_property(pciparent, "vendor-id", NULL);
did = of_get_property(pciparent, "device-id", NULL);
@@ -369,7 +369,6 @@ static void offb_init_palette_hacks(struct fb_info *info, struct device_node *dp
if (par->cmap_adr)
par->cmap_type = cmap_avivo;
}
- of_node_put(pciparent);
} else if (dp && of_device_is_compatible(dp, "qemu,std-vga")) {
#ifdef __BIG_ENDIAN
const __be32 io_of_addr[3] = { 0x01000000, 0x0, 0x0 };
--
2.34.1
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [PATCH] video: fbdev: replacing of_node_put with __free(device_node)
2024-04-23 1:20 [PATCH] video: fbdev: replacing of_node_put with __free(device_node) Abdulrasaq Lawani
@ 2024-04-25 10:13 ` Helge Deller
0 siblings, 0 replies; 2+ messages in thread
From: Helge Deller @ 2024-04-25 10:13 UTC (permalink / raw)
To: Abdulrasaq Lawani, sam, tzimmermann, christophe.jaillet,
u.kleine-koenig, julia.lawall
Cc: linux-fbdev, dri-devel, linux-kernel, skhan, javier.carrasco.cruz
On 4/23/24 03:20, Abdulrasaq Lawani wrote:
> Replaced instance of of_node_put with __free(device_node)
> to simplify code and protect against any memory leaks
> due to future changes in the control flow.
>
> Suggested-by: Julia Lawall <julia.lawall@inria.fr>
> Signed-off-by: Abdulrasaq Lawani <abdulrasaqolawani@gmail.com>
applied.
Thanks!
Helge
> ---
> drivers/video/fbdev/offb.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/video/fbdev/offb.c b/drivers/video/fbdev/offb.c
> index b421b46d88ef..ea38a260774b 100644
> --- a/drivers/video/fbdev/offb.c
> +++ b/drivers/video/fbdev/offb.c
> @@ -357,7 +357,7 @@ static void offb_init_palette_hacks(struct fb_info *info, struct device_node *dp
> par->cmap_type = cmap_gxt2000;
> } else if (of_node_name_prefix(dp, "vga,Display-")) {
> /* Look for AVIVO initialized by SLOF */
> - struct device_node *pciparent = of_get_parent(dp);
> + struct device_node *pciparent __free(device_node) = of_get_parent(dp);
> const u32 *vid, *did;
> vid = of_get_property(pciparent, "vendor-id", NULL);
> did = of_get_property(pciparent, "device-id", NULL);
> @@ -369,7 +369,6 @@ static void offb_init_palette_hacks(struct fb_info *info, struct device_node *dp
> if (par->cmap_adr)
> par->cmap_type = cmap_avivo;
> }
> - of_node_put(pciparent);
> } else if (dp && of_device_is_compatible(dp, "qemu,std-vga")) {
> #ifdef __BIG_ENDIAN
> const __be32 io_of_addr[3] = { 0x01000000, 0x0, 0x0 };
^ permalink raw reply [flat|nested] 2+ messages in thread
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2024-04-23 1:20 [PATCH] video: fbdev: replacing of_node_put with __free(device_node) Abdulrasaq Lawani
2024-04-25 10:13 ` Helge Deller
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