Re: [PATCH] Memory leak in mtd/chips/cfi_cmdset_0020

[Felipe W Damasio <felipewd@terra.com.br>]

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David Woodhouse wrote:
> Applied; thanks. It'll be in the next update sent to Linus, when I get a
> few spare moments for merging and testing.

	Great, thanks.

> Out of interest, why didn't smatch also find the same error 25 lines
> further down?

	He did...I didn't ;)

	If you want, updated patch is attached.

	Cheers,

Felipe

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--- linux-2.6.0-test6/drivers/mtd/chips/cfi_cmdset_0020.c.orig	2003-10-06 11:37:31.000000000 -0300
+++ linux-2.6.0-test6/drivers/mtd/chips/cfi_cmdset_0020.c	2003-10-06 11:52:40.000000000 -0300
@@ -208,6 +208,7 @@
 	if (!mtd->eraseregions) { 
 		printk(KERN_ERR "Failed to allocate memory for MTD erase region info\n");
 		kfree(cfi->cmdset_priv);
+		kfree(mtd);
 		return NULL;
 	}
 	
@@ -232,6 +233,7 @@
 			printk(KERN_WARNING "Sum of regions (%lx) != total size of set of interleaved chips (%lx)\n", offset, devsize);
 			kfree(mtd->eraseregions);
 			kfree(cfi->cmdset_priv);
+			kfree(mtd);
 			return NULL;
 		}