linux-kernel - [PATCH] staging: i2400m: use explicit host byte-order types in comparison

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 19 Feb 2021 06:00:47 +0530
From:   karthik alapati <mail@...thek.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Lee Jones <lee.jones@...aro.org>,
        Johannes Berg <johannes@...solutions.net>,
        Arnd Bergmann <arnd@...db.de>
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH] staging: i2400m: use explicit host byte-order types in
 comparison

convert le32 types to host byte-order types before
comparison

Signed-off-by: karthik alapati <mail@...thek.com>
---
i wonder how these could be false-positives
 drivers/staging/wimax/i2400m/fw.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/wimax/i2400m/fw.c b/drivers/staging/wimax/i2400m/fw.c
index edb5eba0898b..13207c985a87 100644
--- a/drivers/staging/wimax/i2400m/fw.c
+++ b/drivers/staging/wimax/i2400m/fw.c
@@ -191,7 +191,7 @@ void i2400m_bm_cmd_prepare(struct i2400m_bootrom_header *cmd)
 		int i;
 		u32 checksum = 0;
 		const u32 *checksum_ptr = (void *) cmd->payload;
-		for (i = 0; i < cmd->data_size / 4; i++)
+		for (i = 0; i < le32_to_cpu(cmd->data_size) / 4; i++)
 			checksum += cpu_to_le32(*checksum_ptr++);
 		checksum += cmd->command + cmd->target_addr + cmd->data_size;
 		cmd->block_checksum = cpu_to_le32(checksum);
@@ -506,7 +506,7 @@ ssize_t __i2400m_bm_ack_verify(struct i2400m *i2400m, int opcode,
 			opcode, i2400m_brh_get_response(ack));
 		goto error_ack_failed;
 	}
-	if (ack_size < ack->data_size + sizeof(*ack)) {
+	if (ack_size < le32_to_cpu(ack->data_size) + sizeof(*ack)) {
 		dev_err(dev, "boot-mode cmd %d: SW BUG "
 			"driver provided only %zu bytes for %zu bytes "
 			"of data\n", opcode, ack_size,
-- 
2.30.1