linux-kernel - [PATCH] media: atomisp: do not free kmalloc memory by vfree

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Message-Id: <20200717080558.24829-1-jslaby@suse.cz>
Date:   Fri, 17 Jul 2020 10:05:58 +0200
From:   Jiri Slaby <jslaby@...e.cz>
To:     corbet@....net
Cc:     linux-kernel@...r.kernel.org, Jiri Slaby <jslaby@...e.cz>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Subject: [PATCH] media: atomisp: do not free kmalloc memory by vfree

fw_minibuffer[i].buffer is allocated by kmalloc in sh_css_load_blob_info
and by vmalloc in setup_binary. So use kvfree to decide which of those
allocators to use for freeing.

Also remove the useless cast.

Signed-off-by: Jiri Slaby <jslaby@...e.cz>
Cc: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
 drivers/staging/media/atomisp/pci/sh_css_firmware.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/media/atomisp/pci/sh_css_firmware.c b/drivers/staging/media/atomisp/pci/sh_css_firmware.c
index d4ab15b6d1ac..d0011b1d97ed 100644
--- a/drivers/staging/media/atomisp/pci/sh_css_firmware.c
+++ b/drivers/staging/media/atomisp/pci/sh_css_firmware.c
@@ -358,7 +358,7 @@ void sh_css_unload_firmware(void)
 			if (fw_minibuffer[i].name)
 				kfree((void *)fw_minibuffer[i].name);
 			if (fw_minibuffer[i].buffer)
-				vfree((void *)fw_minibuffer[i].buffer);
+				kvfree(fw_minibuffer[i].buffer);
 		}
 		kfree(fw_minibuffer);
 		fw_minibuffer = NULL;
-- 
2.27.0