Re: [PATCH] video: fbdev: replacing of_node_put with __free(device_node)

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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@xxxxxxxx>
Signed-off-by: Abdulrasaq Lawani <abdulrasaqolawani@xxxxxxxxx>

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 };





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