[PATCH] Fix a memory leak in the i386 setup code

Signed-off-by: Catalin Marinas <catalin.marinas@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index 7864395c1441f0b2aef4b5672c52a7732ae5f0ad..f1682206d304d31fb650992bf8a1cb551b2c54ee 100644 (file)
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -1327,7 +1327,10 @@ legacy_init_iomem_resources(struct resource *code_resource, struct resource *dat
                res->start = e820.map[i].addr;
                res->end = res->start + e820.map[i].size - 1;
                res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
-               request_resource(&iomem_resource, res);
+               if (request_resource(&iomem_resource, res)) {
+                       kfree(res);
+                       continue;
+               }
                if (e820.map[i].type == E820_RAM) {
                        /*
                         *  We don't know which RAM region contains kernel data,