kernel_optimize_test/drivers
Shyam_Iyer@Dell.com 7f977ddd0e [SCSI] qla2xxx: fix Kernel Panic with Qlogic 2472 Card.
Kernel Panic is observed with a Qlogic 2472 Card is plugged into the
system and the qla2xxx driver is loaded:

QLogic Fibre Channel HBA Driver: 8.02.01.02.11.0-k9
vendor=8086 device=3410
qla2xxx 0000:05:00.0: PCI INT A -> GSI 40 (level, low) -> IRQ 40
qla2xxx 0000:05:00.0: Found an ISP2432, irq 40, iobase
0xffffc2001091c000
qla2xxx 0000:05:00.0: Configuring PCI space...
qla2xxx 0000:05:00.0: setting latency timer to 64
qla2xxx 0000:05:00.0: Configure NVRAM parameters...
BUG: unable to handle kernel NULL pointer dereference at
0000000000000000
IP: [<ffffffff8036319a>] strncpy+0x5/0x1e
PGD 7c564067 PUD 78d8c067 PMD 0
Oops: 0000 [1] SMP
last sysfs file:
/sys/devices/pci0000:00/0000:00:1d.1/usb6/6-2/6-2:1.1/input/input4/event
4/dev
CPU 1
Modules linked in: qla2xxx(+) squashfs usb_storage scsi_transport_fc
scsi_tgt parport_pc parport arc4 ecb crypto_blkcipher acpi_cpufreq fan
loop nfs nfs_acl lockd sunrpc nls_iso8859_1 nls_cp437 ipv6 af_packet st
sr_mod ide_disk ide_cd_mod ide_core cdrom usbhid hid ff_memless sg
sd_mod crc_t10dif uhci_hcd mptsas mptscsih ehci_hcd mptbase
scsi_transport_sas rtc_cmos rtc_core rtc_lib usbcore scsi_mod thermal
bnx2 button processor thermal_sys hwmon edd
Supported: Yes
Pid: 4415, comm: insmod Not tainted 2.6.27.13-1-default #1
RIP: 0010:[<ffffffff8036319a>] [<ffffffff8036319a>] strncpy+0x5/0x1e
RSP: 0018:ffff88007b04fbc0 EFLAGS: 00010202
RAX: 00000000000000b7 RBX: ffff88007b9641e0 RCX: ffff88007c1b2ad7
RDX: 000000000000004f RSI: 0000000000000000 RDI: ffff88007c1b2ad7
RBP: ffff88007c1b0620 R08: 0000000000000010 R09: 0000000100000000
R10: 0000000000000046 R11: ffffffff803651c6 R12: ffff88007b074000
R13: ffff88007b964000 R14: ffff88007c1b2ac6 R15: 0000000000000000
FS: 00007f91a6c366f0(0000) GS:ffff88007dbeee40(0000)
knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000000000000 CR3: 000000007bd7c000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process insmod (pid: 4415, threadinfo ffff88007b04e000, task
ffff880078586180)
Stack: ffffffffa02d82c4 0000000000002432 ffff88007d385000
ffff88007c1b0620
ffff88007c1b0620 ffff88007c1b0000 ffff88007d385000 0000000000002432
ffffffffa02dcb1e 0000000000002432 ffffc2001091c000 ffff88007c1b0620
Call Trace:
[<ffffffffa02d82c4>] qla24xx_nvram_config+0x385/0x6c2 [qla2xxx]
[<ffffffffa02dcb1e>] qla2x00_initialize_adapter+0x169/0x383 [qla2xxx]
[<ffffffffa02f2040>] qla2x00_probe_one+0x6bc/0x9c6 [qla2xxx]
[<ffffffff8037346f>] pci_device_probe+0xb8/0x105
[<ffffffff803e5a27>] really_probe+0xdd/0x1e5
[<ffffffff803e5c14>] __driver_attach+0x46/0x6d
[<ffffffff803e51e1>] bus_for_each_dev+0x44/0x78
[<ffffffff803e4ac7>] bus_add_driver+0xef/0x235
[<ffffffff803e5dd8>] driver_register+0xa2/0x11f
[<ffffffff803736fd>] __pci_register_driver+0x5d/0x90
[<ffffffffa0308126>] qla2x00_module_init+0x126/0x159 [qla2xxx]
[<ffffffff80209041>] _stext+0x41/0x110
[<ffffffff80260abd>] sys_init_module+0xa0/0x1ba
[<ffffffff8020bfbb>] system_call_fastpath+0x16/0x1b
[<00007f91a679b76a>] 0x7f91a679b76a
Code: ff c1 41 39 c0 75 05 45 85 c0 75 bf 41 29 c0 44 89 c0 c3 31 d2 8a
04 16 88 04 17 48 ff c2 84 c0 75 f3 48 89 f8 c3 48 89 f9 eb 10 <8a> 06
3c 01 88 01 48 83 de ff 48 ff c1 48 ff ca 48 85 d2 75 eb
RIP [<ffffffff8036319a>] strncpy+0x5/0x1e
RSP <ffff88007b04fbc0>
CR2: 0000000000000000
---[ end trace 829d7d78dfafb785 ]---

The attached patch fixes the issue.

Signed-off-by: Shyam Iyer <shyam_iyer@dell.com>
Acked-by: Seokmann Ju <Seokmann.ju@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2009-02-10 11:15:18 -05:00
..
accessibility
acpi Merge branches 'release', 'asus', 'bugzilla-12450', 'cpuidle', 'debug', 'ec', 'misc', 'printk' and 'processor' into release 2009-02-07 01:34:56 -05:00
amba
ata Fix my email address in qd65xx.[ch]/pata_qdi.c 2009-02-03 16:53:56 -08:00
atm
auxdisplay
base driver-core: fix kernel-doc parameter name 2009-01-28 15:55:48 -08:00
block powerpc/ps3: Printing fixups for l64 to ll64 conversion drivers/block 2009-01-16 16:15:13 +11:00
bluetooth
cdrom
char sx.c: fix missed unlock_kernel() on error path in sx_fw_ioctl() 2009-02-05 12:56:48 -08:00
clocksource
connector
cpufreq [CPUFREQ] Make ignore_nice_load setting of ondemand work as expected. 2009-02-05 12:25:26 -05:00
cpuidle
crypto
dca dca: redesign locks to fix deadlocks 2009-02-02 23:26:57 -08:00
dio
dma i.MX31: Image Processing Unit DMA and IRQ drivers 2009-01-19 15:36:21 -07:00
edac powerpc: More printing warning fixes for the l64 to ll64 conversion 2009-01-28 17:15:52 +11:00
eisa
firewire firewire: core: Remove card from list of cards when enable fails 2009-02-01 11:17:24 +01:00
firmware DMI: Introduce dmi_first_match to make the interface more flexible 2009-01-27 02:15:47 -05:00
gpio gpiolib: fix request related issue 2009-01-29 18:04:43 -08:00
gpu i915: Fix more size_t format string warnings 2009-02-09 08:57:29 -08:00
hid HID: document difference between hid_blacklist and hid_ignore_list 2009-01-29 11:23:12 +01:00
hwmon lis3lv02d: add axes knowledge for HP 6710 2009-02-05 12:56:47 -08:00
i2c i2c: Move old eeprom driver to /drivers/misc/eeprom 2009-01-26 21:19:53 +01:00
ide Fix my email address in qd65xx.[ch]/pata_qdi.c 2009-02-03 16:53:56 -08:00
idle
ieee1394 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 2009-02-06 08:48:16 -08:00
infiniband Merge branches 'ehca', 'ipoib' and 'mlx4' into for-linus 2009-01-16 15:05:54 -08:00
input
isdn isdn: Fix missing ifdef in isdn_ppp 2009-01-26 12:24:38 -08:00
leds lis3lv02d: merge with leds hp disk 2009-01-15 16:39:40 -08:00
lguest lguest: Fix a memory leak with the lg object during launcher close 2009-01-30 11:34:11 +10:30
macintosh
mca
md md: Ensure an md array never has too many devices. 2009-02-06 18:02:46 +11:00
media V4L/DVB (10411): s5h1409: Perform s5h1409 soft reset after tuning 2009-02-01 10:41:02 -02:00
memstick
message
mfd mfd: Remove non exported references from pcf50633 2009-01-15 11:50:58 +01:00
misc sgi-xp: fix writing past the end of kzalloc()'d space 2009-02-05 12:56:49 -08:00
mmc pxamci: enable DMA for write ops after CMD/RESP 2009-02-02 20:57:07 +01:00
mtd Merge master.kernel.org:/home/rmk/linux-2.6-arm 2009-02-03 16:52:10 -08:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2009-02-05 16:11:32 -08:00
nubus
of
oprofile oprofile: fix uninitialized use of struct op_entry 2009-01-17 17:26:39 +01:00
parisc Documentation: move DMA-mapping.txt to Doc/PCI/ 2009-01-29 18:19:29 -08:00
parport
pci PCI PM: make the PM core more careful with drivers using the new PM framework 2009-02-04 17:22:35 -08:00
pcmcia
platform Merge branches 'release', 'asus', 'bugzilla-12450', 'cpuidle', 'debug', 'ec', 'misc', 'printk' and 'processor' into release 2009-02-07 01:34:56 -05:00
pnp
power power_supply: pda_power: Don't request shared IRQs w/ IRQF_DISABLED 2009-01-26 02:09:26 +03:00
ps3 powerpc/ps3: Printing fixups for l64 to ll64 conversion drivers/ps3 2009-01-16 16:15:14 +11:00
rapidio
regulator leds: Fix bounds checking of wm8350->pmic.led 2009-01-30 21:50:49 +00:00
rtc rtc-ds1390: fix compilation warnings in drivers/rtc/rtc-ds1390.c 2009-02-05 12:56:48 -08:00
s390 lcs: fix compilation for !CONFIG_IP_MULTICAST 2009-01-25 17:59:26 -08:00
sbus
scsi [SCSI] qla2xxx: fix Kernel Panic with Qlogic 2472 Card. 2009-02-10 11:15:18 -05:00
serial Add enable_ms to jsm driver 2009-01-30 08:40:54 -08:00
sh
sn
spi spi: Move at25 (for SPI eeproms) to /drivers/misc/eeprom 2009-01-26 21:19:54 +01:00
ssb
staging Staging: panel: fix lcd panel driver build failure 2009-02-09 11:26:18 -08:00
tc
telephony
thermal
uio
usb USB: Storage: Update unusual_devs entry for Datafab KECF-USB 2009-02-09 11:19:49 -08:00
uwb uwb: lock rc->rsvs_lock with spin_lock_bh() 2009-01-23 12:57:20 +00:00
video Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 2009-02-09 08:52:28 -08:00
virtio virtio-pci: do not oops on config change if driver not loaded 2009-02-02 19:17:56 -08:00
w1
watchdog [ARM] omap: watchdog: allow OMAP watchdog driver on OMAP34xx platforms 2009-01-24 16:48:42 +00:00
xen xen: make sysfs files behave as their names suggest 2009-01-29 13:20:36 +01:00
zorro
Kconfig
Makefile