From: Adrian Bunk <bunk@stusta.de>
To: gregkh@suse.de, kristen.c.accardi@intel.com
Cc: linux-kernel@vger.kernel.org, linux-pci@atrey.karlin.mff.cuni.cz
Subject: [2.6 patch] cpqphp_ctrl.c: remove dead code
Date: Mon, 23 Jul 2007 16:51:05 +0200 [thread overview]
Message-ID: <20070723145105.GK26212@stusta.de> (raw)
If !mem_node we did already return -ENOMEM above in the function.
Spotted by the Coverity checker.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
---
drivers/pci/hotplug/cpqphp_ctrl.c | 28 +++++++---------------------
1 file changed, 7 insertions(+), 21 deletions(-)
--- linux-2.6.22-rc6-mm1/drivers/pci/hotplug/cpqphp_ctrl.c.old 2007-07-23 15:13:27.000000000 +0200
+++ linux-2.6.22-rc6-mm1/drivers/pci/hotplug/cpqphp_ctrl.c 2007-07-23 15:15:22.000000000 +0200
@@ -2558,29 +2558,15 @@ static int configure_new_function(struct
hold_IO_node = NULL;
}
- /* If we have memory resources copy them and fill in the
- * bridge's memory range registers. Otherwise, fill in the
- * range registers with values that disable them. */
- if (mem_node) {
- memcpy(hold_mem_node, mem_node, sizeof(struct pci_resource));
- mem_node->next = NULL;
-
- /* set Mem base and Limit registers */
- temp_word = mem_node->base >> 16;
- rc = pci_bus_write_config_word(pci_bus, devfn, PCI_MEMORY_BASE, temp_word);
+ memcpy(hold_mem_node, mem_node, sizeof(struct pci_resource));
+ mem_node->next = NULL;
- temp_word = (mem_node->base + mem_node->length - 1) >> 16;
- rc = pci_bus_write_config_word(pci_bus, devfn, PCI_MEMORY_LIMIT, temp_word);
- } else {
- temp_word = 0xFFFF;
- rc = pci_bus_write_config_word(pci_bus, devfn, PCI_MEMORY_BASE, temp_word);
-
- temp_word = 0x0000;
- rc = pci_bus_write_config_word(pci_bus, devfn, PCI_MEMORY_LIMIT, temp_word);
+ /* set Mem base and Limit registers */
+ temp_word = mem_node->base >> 16;
+ rc = pci_bus_write_config_word(pci_bus, devfn, PCI_MEMORY_BASE, temp_word);
- kfree(hold_mem_node);
- hold_mem_node = NULL;
- }
+ temp_word = (mem_node->base + mem_node->length - 1) >> 16;
+ rc = pci_bus_write_config_word(pci_bus, devfn, PCI_MEMORY_LIMIT, temp_word);
memcpy(hold_p_mem_node, p_mem_node, sizeof(struct pci_resource));
p_mem_node->next = NULL;
next reply other threads:[~2007-07-23 14:51 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-23 14:51 Adrian Bunk [this message]
2007-08-09 21:51 ` [2.6 patch] cpqphp_ctrl.c: remove dead code Kristen Carlson Accardi
2007-08-09 22:24 ` Greg KH
2007-08-09 22:47 ` Kristen Carlson Accardi
2007-08-09 23:04 ` Adrian Bunk
2007-08-09 23:13 ` Kristen Carlson Accardi
2007-08-09 23:28 ` Alan Cox
2007-08-09 23:20 ` Kristen Carlson Accardi
2007-08-09 23:39 ` Adrian Bunk
2007-08-13 16:05 ` Kristen Carlson Accardi
2007-08-09 23:20 ` Alan Cox
2007-08-11 3:42 ` Christoph Hellwig
2007-08-13 16:37 ` Kristen Carlson Accardi
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20070723145105.GK26212@stusta.de \
--to=bunk@stusta.de \
--cc=gregkh@suse.de \
--cc=kristen.c.accardi@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pci@atrey.karlin.mff.cuni.cz \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.