[PATCH 3.2 104/164] fs/binfmt_elf.c:load_elf_binary(): return -EINVAL on zero-length mappings

[Ben Hutchings]

3.2.70-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>

commit 2b1d3ae940acd11be44c6eced5873d47c2e00ffa upstream.

load_elf_binary() returns `retval', not `error'.

Fixes: a87938b2e246b81b4fb ("fs/binfmt_elf.c: fix bug in loading of PIE binaries")
Reported-by: James Hogan <james.hogan@xxxxxxxxxx>
Cc: Michael Davidson <md@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
 fs/binfmt_elf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -813,7 +813,7 @@ static int load_elf_binary(struct linux_
 			total_size = total_mapping_size(elf_phdata,
 							loc->elf_ex.e_phnum);
 			if (!total_size) {
-				error = -EINVAL;
+				retval = -EINVAL;
 				goto out_free_dentry;
 			}
 		}

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