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21e7b2c4d5
linux/drivers
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Julia Lawall 21e7b2c4d5 [S390] drivers/s390/crypto: Move dereference to after IS_ERR test 
If reply is ERR_PTR(...), then it should not be dereferenced, so I have
moved the dereference from the declaration to after the IS_ERR test.

The semantic match that finds the problem is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@match exists@
expression x, E;
identifier fld;
position p1,p2;
@@

(
x = E;
|
x = E
|
x@p1->fld
... when != x = E
IS_ERR(x@p2)
... when any
)

@other_match exists@
expression match.x, E1, E2;
position match.p1,match.p2;
@@

x = E1
... when != x = E2
    when != x@p1
x@p2

@ script:python depends on !other_match@
p1 << match.p1;
p2 << match.p2;
@@

print "* file %s dereference %s test %s" % (p1[0].file,p1[0].line,p2[0].line)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25 13:39:16 +01:00
..
accessibility
acpi ACPI: fix 2.6.28 acpi.debug_level regression 2008-12-19 04:38:32 -05:00
amba
ata pata_hpt366: no ATAPI DMA 2008-12-16 05:40:34 -05:00
atm ATM: horizon, fix hrz_probe fail path 2008-11-29 20:42:28 -08:00
auxdisplay
base
block cciss: fix problem that deleting multiple logical drives could cause a panic 2008-12-19 08:14:07 +01:00
bluetooth bpa10x: free sk_buff with kfree_skb 2008-10-31 00:40:19 -07:00
cdrom Commands needing to be retried require a complete re-initialization. 2008-12-12 16:04:26 +01:00
char [S390] s390/hvc_console: z/VM IUCV hypervisor console support 2008-12-25 13:39:03 +01:00
clocksource
connector
cpufreq
cpuidle regression: disable timer peek-ahead for 2.6.28 2008-11-09 16:28:42 -08:00
crypto fix talitos 2008-11-30 10:03:36 -08:00
dca [4/4] dca: fixup initialization dependency 2008-11-10 15:01:03 -08:00
dio
dma async_xor: dma_map destination DMA_BIDIRECTIONAL 2008-12-08 13:46:00 -07:00
edac edac: fix edac core deadlock when removing a device 2008-12-23 15:58:21 -08:00
eisa
firewire firewire: fw-ohci: fix IOMMU resource exhaustion 2008-12-10 12:45:34 +01:00
firmware trivial: dmi_scan typo 2008-11-07 08:25:43 -08:00
gpio gpiolib: extend gpio label column width in debugfs file 2008-11-19 18:49:57 -08:00
gpu drm/radeon: fix correctness of irq_enabled check for radeon. 2008-12-23 10:50:12 +10:00
hid HID: Apple ALU wireless keyboards are bluetooth devices 2008-11-28 15:09:26 +01:00
hwmon hwmon: applesmc: make applesmc load automatically on startup 2008-12-01 19:55:24 -08:00
i2c i2c-s3c2410: fix check for being in suspend. 2008-12-16 20:19:53 +00:00
ide drivers/ide/{cs5530.c,sc1200.c}: Move a dereference below a NULL test 2008-12-22 23:05:06 +01:00
idle
ieee1394 ieee1394: add quirk fix for Freecom HDD 2008-12-14 01:13:13 +01:00
infiniband Merge branches 'ehca' and 'mlx4' into for-linus 2008-12-01 10:11:50 -08:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2008-11-30 11:05:21 -08:00
isdn hysdn: fix writing outside the field on 64 bits 2008-12-03 21:01:28 -08:00
leds remove unused #include <version.h>'s 2008-11-01 09:50:12 -07:00
lguest
macintosh rackmeter section fixes 2008-11-30 10:03:37 -08:00
mca
md md: Don't read past end of bitmap when reading bitmap. 2008-12-19 16:25:01 +11:00
media V4L/DVB (9920): em28xx: fix NULL pointer dereference in call to VIDIOC_INT_RESET command 2008-12-23 09:13:50 -02:00
memstick
message Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6 2008-12-19 11:37:23 -08:00
mfd mfd: Correct WM8350 I2C return code usage 2008-11-16 19:58:47 +01:00
misc [IA64] Fix GRU compile error w/o CONFIG_HUGETLB_PAGE 2008-12-09 10:06:43 -08:00
mmc mmc: struct device - replace bus_id with dev_name(), dev_set_name() 2008-11-08 21:37:46 +01:00
mtd Merge git://git.infradead.org/mtd-2.6 2008-12-09 08:28:36 -08:00
net ppp: fix segfaults introduced by netdev_priv changes 2008-12-18 19:41:42 -08:00
nubus
of OF-device: Don't overwrite numa_node in device registration 2008-10-31 16:12:01 +11:00
oprofile
parisc
parport parport_serial: fix array overflow 2008-12-01 19:55:24 -08:00
pci PCI hotplug: ibmphp: Fix module ref count underflow 2008-12-17 16:07:47 -08:00
pcmcia pcmcia: blackfin: fix bug - add missing ; to MODULE macro 2008-12-15 16:27:06 -08:00
pnp drivers: remove duplicated #include 2008-11-04 08:18:19 -08:00
power
ps3 powerpc/ps3: Fix compile error in ps3-lpm.c 2008-11-05 19:59:08 +11:00
rapidio rapidio section noise 2008-11-30 10:03:37 -08:00
regulator regulator: Use menuconfig in Kconfig 2008-11-09 14:49:23 +00:00
rtc rtc: rtc-isl1208: reject invalid dates 2008-12-23 15:58:21 -08:00
s390 [S390] drivers/s390/crypto: Move dereference to after IS_ERR test 2008-12-25 13:39:16 +01:00
sbus Revert "of_platform_driver noise on sparce" 2008-12-01 07:55:14 -08:00
scsi Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6 2008-12-19 11:37:23 -08:00
serial Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 2008-12-10 10:04:25 -08:00
sh sh: maple: Do not pass SLAB_POISON to kmem_cache_create() 2008-12-16 16:40:32 +09:00
sn
spi spi: fix spi_s3c24xx_gpio num_chipselect 2008-12-01 19:55:24 -08:00
ssb SSB: hide empty sub menu 2008-11-10 13:50:17 -08:00
staging STAGING: Move staging drivers back to staging-specific menu 2008-12-17 11:23:07 -08:00
tc
telephony telephony: trivial: fix up email address 2008-11-11 09:30:23 -08:00
thermal
uio saner FASYNC handling on file close 2008-11-01 09:49:46 -07:00
usb USB: pl2303: add id for Hewlett-Packard LD220-HP POS pole display 2008-12-17 10:49:15 -08:00
uwb
video Revert "radeonfb: accelerate imageblit and other improvements" 2008-12-10 16:53:32 -08:00
virtio
w1 w1: fix slave selection on big-endian systems 2008-12-23 15:58:21 -08:00
watchdog iTCO_wdt: fix typo when setting TCO_EN bit 2008-12-03 16:20:19 -08:00
xen xen: fix scrub_page() 2008-11-17 19:11:26 +01:00
zorro
Kconfig
Makefile