[PATCH 6.1 53/71] binfmt: Fix error return code in load_elf_fdpic_binary()

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From: Wang Yufen <wangyufen@xxxxxxxxxx>

commit e7f703ff2507f4e9f496da96cd4b78fd3026120c upstream.

Fix to return a negative error code from create_elf_fdpic_tables()
instead of 0.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Wang Yufen <wangyufen@xxxxxxxxxx>
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Link: https://lore.kernel.org/r/1669945261-30271-1-git-send-email-wangyufen@xxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 fs/binfmt_elf_fdpic.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -434,8 +434,9 @@ static int load_elf_fdpic_binary(struct
 	current->mm->start_stack = current->mm->start_brk + stack_size;
 #endif
 
-	if (create_elf_fdpic_tables(bprm, current->mm,
-				    &exec_params, &interp_params) < 0)
+	retval = create_elf_fdpic_tables(bprm, current->mm, &exec_params,
+					 &interp_params);
+	if (retval < 0)
 		goto error;
 
 	kdebug("- start_code  %lx", current->mm->start_code);





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