linux-ext4 - [PATCH 1/2] e2fsck: fix to return ENOMEM in alloc_size

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Message-Id: <1574759039-7429-1-git-send-email-wangshilong1991@gmail.com>
Date:   Tue, 26 Nov 2019 18:03:58 +0900
From:   Wang Shilong <wangshilong1991@...il.com>
To:     linux-ext4@...r.kernel.org
Cc:     adilger@...ger.ca, lixi@....com, wshilong@....com
Subject: [PATCH 1/2] e2fsck: fix to return ENOMEM in alloc_size_dir()

From: Wang Shilong <wshilong@....com>

Two memory allocation return check is missed.

Signed-off-by: Wang Shilong <wshilong@....com>
---
 e2fsck/rehash.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/e2fsck/rehash.c b/e2fsck/rehash.c
index a5fc1be1..5250652e 100644
--- a/e2fsck/rehash.c
+++ b/e2fsck/rehash.c
@@ -272,7 +272,11 @@ static errcode_t alloc_size_dir(ext2_filsys fs, struct out_dir *outdir,
 		outdir->hashes = new_mem;
 	} else {
 		outdir->buf = malloc(blocks * fs->blocksize);
+		if (!outdir->buf)
+			return ENOMEM;
 		outdir->hashes = malloc(blocks * sizeof(ext2_dirhash_t));
+		if (!outdir->hashes)
+			return ENOMEM;
 		outdir->num = 0;
 	}
 	outdir->max = blocks;
-- 
2.21.0