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authorWang Yufen <wangyufen@huawei.com>2022-12-02 16:22:54 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-01-18 11:30:04 +0100
commit6d8c5fc579eb5ab8de263a05b23bf5dae171e96c (patch)
tree4dafa538edd77a80ccf07e0d4de07e19fba88572 /fs
parent681966a24bfd92831c54e7c85e03d2bc2e826188 (diff)
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pstore/ram: Fix error return code in ramoops_probe()
[ Upstream commit e1fce564900f8734edf15b87f028c57e14f6e28d ] In the if (dev_of_node(dev) && !pdata) path, the "err" may be assigned a value of 0, so the error return code -EINVAL may be incorrectly set to 0. To fix set valid return code before calling to goto. Fixes: 35da60941e44 ("pstore/ram: add Device Tree bindings") Signed-off-by: Wang Yufen <wangyufen@huawei.com> Signed-off-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/1669969374-46582-1-git-send-email-wangyufen@huawei.com Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/pstore/ram.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index bafbab2dd039..33294dee7d7f 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -753,6 +753,7 @@ static int ramoops_probe(struct platform_device *pdev)
/* Make sure we didn't get bogus platform data pointer. */
if (!pdata) {
pr_err("NULL platform data\n");
+ err = -EINVAL;
goto fail_out;
}
@@ -760,6 +761,7 @@ static int ramoops_probe(struct platform_device *pdev)
!pdata->ftrace_size && !pdata->pmsg_size)) {
pr_err("The memory size and the record/console size must be "
"non-zero\n");
+ err = -EINVAL;
goto fail_out;
}