From: Dan Carpenter <dan.carpenter@oracle.com>
To: Manish Chopra <manish.chopra@qlogic.com>
Cc: Sony Chacko <sony.chacko@qlogic.com>,
Rajesh Borundia <rajesh.borundia@qlogic.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
kernel-janitors@vger.kernel.org
Subject: [patch 1/2] netxen: fix error handling in netxen_get_flash_block()
Date: Thu, 5 May 2016 16:18:46 +0300 [thread overview]
Message-ID: <20160505131846.GB3038@mwanda> (raw)
My static checker complained that "v" can be used unintialized if
netxen_rom_fast_read() returns -EIO. That function never actually
returns -1.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c
index db80eb1..a320541 100644
--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c
+++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c
@@ -1015,20 +1015,24 @@ static int netxen_get_flash_block(struct netxen_adapter *adapter, int base,
{
int i, v, addr;
__le32 *ptr32;
+ int ret;
addr = base;
ptr32 = buf;
for (i = 0; i < size / sizeof(u32); i++) {
- if (netxen_rom_fast_read(adapter, addr, &v) == -1)
- return -1;
+ ret = netxen_rom_fast_read(adapter, addr, &v);
+ if (ret)
+ return ret;
+
*ptr32 = cpu_to_le32(v);
ptr32++;
addr += sizeof(u32);
}
if ((char *)buf + size > (char *)ptr32) {
__le32 local;
- if (netxen_rom_fast_read(adapter, addr, &v) == -1)
- return -1;
+ ret = netxen_rom_fast_read(adapter, addr, &v);
+ if (ret)
+ return ret;
local = cpu_to_le32(v);
memcpy(ptr32, &local, (char *)buf + size - (char *)ptr32);
}
next reply other threads:[~2016-05-05 13:18 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-05 13:18 Dan Carpenter [this message]
2016-05-07 19:16 ` [patch 1/2] netxen: fix error handling in netxen_get_flash_block() David Miller
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