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47 lines
1.4 KiB
47 lines
1.4 KiB
From 68b90794adf8287fa534cc8f35efb09772b133d0 Mon Sep 17 00:00:00 2001
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From: Wu Guanghao <wuguanghao3@huawei.com>
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Date: Sat, 4 Mar 2023 00:21:35 +0800
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Subject: [PATCH 098/125] super-ddf.c: fix memleak in get_vd_num_of_subarray()
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sra = sysfs_read() should be free before return in
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get_vd_num_of_subarray()
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Signed-off-by: Wu Guanghao <wuguanghao3@huawei.com>
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Acked-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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Acked-by: Coly Li <colyli@suse.de>
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Signed-off-by: Jes Sorensen <jes@trained-monkey.org>
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---
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super-ddf.c | 9 +++++++--
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1 file changed, 7 insertions(+), 2 deletions(-)
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diff --git a/super-ddf.c b/super-ddf.c
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index 309812df..b86c6acd 100644
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--- a/super-ddf.c
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+++ b/super-ddf.c
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@@ -1592,15 +1592,20 @@ static unsigned int get_vd_num_of_subarray(struct supertype *st)
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sra = sysfs_read(-1, st->devnm, GET_VERSION);
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if (!sra || sra->array.major_version != -1 ||
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sra->array.minor_version != -2 ||
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- !is_subarray(sra->text_version))
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+ !is_subarray(sra->text_version)) {
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+ if (sra)
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+ sysfs_free(sra);
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return DDF_NOTFOUND;
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+ }
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sub = strchr(sra->text_version + 1, '/');
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if (sub != NULL)
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vcnum = strtoul(sub + 1, &end, 10);
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if (sub == NULL || *sub == '\0' || *end != '\0' ||
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- vcnum >= be16_to_cpu(ddf->active->max_vd_entries))
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+ vcnum >= be16_to_cpu(ddf->active->max_vd_entries)) {
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+ sysfs_free(sra);
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return DDF_NOTFOUND;
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+ }
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return vcnum;
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}
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--
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2.38.1
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