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Groups > linux.kernel > #1521004

[PATCH RESEND] drm/ast: free correct pointer in astfb_create() error paths

From Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Newsgroups linux.kernel
Subject [PATCH RESEND] drm/ast: free correct pointer in astfb_create() error paths
Date 2016-11-14 04:10 +0100
Message-ID <sDfOG-11Z-23@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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In the err_free_vram and err_release_fbi error paths in astfb_create(), we
attempt to free afbdev->sysram. The only jumps to these error paths occur
before we assign afbdev->sysram = sysram. Free sysram instead.

Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>

---

Found by Coverity Scan. Compile tested only.
---
 drivers/gpu/drm/ast/ast_fb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/ast/ast_fb.c b/drivers/gpu/drm/ast/ast_fb.c
index 7a86e24..d6f5ec6 100644
--- a/drivers/gpu/drm/ast/ast_fb.c
+++ b/drivers/gpu/drm/ast/ast_fb.c
@@ -253,7 +253,7 @@ static int astfb_create(struct drm_fb_helper *helper,
 err_release_fbi:
 	drm_fb_helper_release_fbi(helper);
 err_free_vram:
-	vfree(afbdev->sysram);
+	vfree(sysram);
 	return ret;
 }
 
-- 
Andrew Donnellan              OzLabs, ADL Canberra
andrew.donnellan@au1.ibm.com  IBM Australia Limited

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Thread

[PATCH RESEND] drm/ast: free correct pointer in astfb_create() error paths Andrew Donnellan <andrew.donnellan@au1.ibm.com> - 2016-11-14 04:10 +0100
  Re: [PATCH RESEND] drm/ast: free correct pointer in astfb_create()  error paths Daniel Vetter <daniel@ffwll.ch> - 2016-11-14 07:50 +0100

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