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Joel Becker a6795e9ebb configfs: Allow ->make_item() and ->make_group() to return detailed errors. 
The configfs operations ->make_item() and ->make_group() currently
return a new item/group.  A return of NULL signifies an error.  Because
of this, -ENOMEM is the only return code bubbled up the stack.

Multiple folks have requested the ability to return specific error codes
when these operations fail.  This patch adds that ability by changing the
->make_item/group() ops to return ERR_PTR() values.  These errors are
bubbled up appropriately.  NULL returns are changed to -ENOMEM for
compatibility.

Also updated are the in-kernel users of configfs.

This is a rework of reverted commit 11c3b79218.

Signed-off-by: Joel Becker <joel.becker@oracle.com>
2008-07-17 15:21:29 -07:00
..
acpi Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 2008-07-16 17:25:46 -07:00
asm-alpha smp_call_function: get rid of the unused nonatomic/retry argument 2008-06-26 11:24:35 +02:00
asm-arm Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc 2008-07-16 15:17:52 -07:00
asm-avr32 atmel-mci: Driver for Atmel on-chip MMC controllers 2008-07-15 14:14:49 +02:00
asm-blackfin
asm-cris
asm-frv frv: fix irqs_disabled() to return an int, not an unsigned long 2008-07-12 14:33:42 -07:00
asm-generic Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 2008-07-16 17:25:46 -07:00
asm-h8300
asm-ia64 ACPI : Create "idle=nomwait" bootparam 2008-07-16 23:27:05 +02:00
asm-m32r m32r: convert to generic helpers for IPI function calls 2008-06-26 11:22:57 +02:00
asm-m68k
asm-m68knommu
asm-mips Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc 2008-07-16 15:17:52 -07:00
asm-mn10300
asm-parisc parisc: convert to generic helpers for IPI function calls 2008-06-26 11:22:57 +02:00
asm-powerpc Merge commit 'origin/master' 2008-07-16 11:07:59 +10:00
asm-s390 [S390] qdio: new qdio driver. 2008-07-17 17:22:10 +02:00
asm-sh sh: convert to generic helpers for IPI function calls 2008-06-26 11:22:58 +02:00
asm-sparc smp_call_function: get rid of the unused nonatomic/retry argument 2008-06-26 11:24:35 +02:00
asm-sparc64 fix "ftrace: store mcount address in rec->ip" 2008-07-01 17:46:14 +02:00
asm-um
asm-v850
asm-x86 Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2008-07-17 10:38:59 -07:00
asm-xtensa
crypto crypto: hash - Move ahash functions into crypto/hash.h 2008-07-10 20:35:18 +08:00
drm drm/radeon: fixup issue with radeon and PAT support. 2008-07-15 15:48:05 +10:00
keys
linux configfs: Allow ->make_item() and ->make_group() to return detailed errors. 2008-07-17 15:21:29 -07:00
math-emu
media V4L/DVB (8092): videodev: simplify and fix standard enumeration 2008-06-26 15:58:57 -03:00
mtd
net net-sched: change tcf_destroy_chain() to clear start of filter list 2008-07-01 19:52:38 -07:00
pcmcia
rdma RDMA/addr: Keep pointer to netdevice in struct rdma_dev_addr 2008-07-14 23:48:53 -07:00
rxrpc
scsi Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6 2008-07-15 18:58:04 -07:00
sound ALSA: Release v1.0.17 2008-07-14 09:54:43 +02:00
video
xen xen: implement ptep_modify_prot_start/commit 2008-06-25 15:17:23 +02:00
Kbuild drm: reorganise drm tree to be more future proof. 2008-07-14 10:45:01 +10:00