linux-kernel - [PATCH 1/1] fs/binfmt_elf_fdpic: fix error return code in load_elf_fdpic

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Message-ID: <20210508030441.2077-1-thunder.leizhen@huawei.com>
Date:   Sat, 8 May 2021 11:04:41 +0800
From:   Zhen Lei <thunder.leizhen@...wei.com>
To:     Alexander Viro <viro@...iv.linux.org.uk>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
CC:     Zhen Lei <thunder.leizhen@...wei.com>
Subject: [PATCH 1/1] fs/binfmt_elf_fdpic: fix error return code in load_elf_fdpic_binary()

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
---
 fs/binfmt_elf_fdpic.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index 2c99b102c860..3d157bdef37b 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -434,8 +434,8 @@ static int load_elf_fdpic_binary(struct linux_binprm *bprm)
 	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);
-- 
2.25.1