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35 Commits
Author SHA1 Message Date
Linus Torvalds 32a92f8c89 Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 
This converts some of the visually simpler cases that have been split
over multiple lines.  I only did the ones that are easy to verify the
resulting diff by having just that final GFP_KERNEL argument on the next
line.

Somebody should probably do a proper coccinelle script for this, but for
me the trivial script actually resulted in an assertion failure in the
middle of the script.  I probably had made it a bit _too_ trivial.

So after fighting that far a while I decided to just do some of the
syntactically simpler cases with variations of the previous 'sed'
scripts.

The more syntactically complex multi-line cases would mostly really want
whitespace cleanup anyway.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2026-02-21 20:03:00 -08:00
Linus Torvalds bf4afc53b7 Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 
This was done entirely with mindless brute force, using

    git grep -l '\<k[vmz]*alloc_objs*(.*, GFP_KERNEL)' |
        xargs sed -i 's/\(alloc_objs*(.*\), GFP_KERNEL)/\1)/'

to convert the new alloc_obj() users that had a simple GFP_KERNEL
argument to just drop that argument.

Note that due to the extreme simplicity of the scripting, any slightly
more complex cases spread over multiple lines would not be triggered:
they definitely exist, but this covers the vast bulk of the cases, and
the resulting diff is also then easier to check automatically.

For the same reason the 'flex' versions will be done as a separate
conversion.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2026-02-21 17:09:51 -08:00
Kees Cook 69050f8d6d treewide: Replace kmalloc with kmalloc_obj for non-scalar types 
This is the result of running the Coccinelle script from
scripts/coccinelle/api/kmalloc_objs.cocci. The script is designed to
avoid scalar types (which need careful case-by-case checking), and
instead replace kmalloc-family calls that allocate struct or union
object instances:

Single allocations:	kmalloc(sizeof(TYPE), ...)
are replaced with:	kmalloc_obj(TYPE, ...)

Array allocations:	kmalloc_array(COUNT, sizeof(TYPE), ...)
are replaced with:	kmalloc_objs(TYPE, COUNT, ...)

Flex array allocations:	kmalloc(struct_size(PTR, FAM, COUNT), ...)
are replaced with:	kmalloc_flex(*PTR, FAM, COUNT, ...)

(where TYPE may also be *VAR)

The resulting allocations no longer return "void *", instead returning
"TYPE *".

Signed-off-by: Kees Cook <kees@kernel.org>
 2026-02-21 01:02:28 -08:00
Dominik Karol Piątkowski 3df1fd31f6 gpib: tnt4882: Unify *allocate_private usage 
Use the return value of tnt4882_allocate_private in calling code as
early return value in case of error.

Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski@protonmail.com>
Link: https://patch.msgid.link/20260116174647.317256-28-dominik.karol.piatkowski@protonmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-01-27 16:04:08 +01:00
Dominik Karol Piątkowski 9effb86530 gpib: tnt4882: Unify *allocate_private return value 
Return -ENOMEM instead of -1 in tnt4882_allocate_private in case of
memory allocation failure.

Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski@protonmail.com>
Link: https://patch.msgid.link/20260116174647.317256-27-dominik.karol.piatkowski@protonmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-01-27 16:04:08 +01:00
Dominik Karol Piątkowski a16ad9b68b gpib: tnt4882: Replace kmalloc/memset to kzalloc in *allocate_private 
Replace kmalloc/memset pair to kzalloc in tnt4882_allocate_private.

Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski@protonmail.com>
Link: https://patch.msgid.link/20260116174647.317256-26-dominik.karol.piatkowski@protonmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-01-27 16:04:08 +01:00
Dominik Karol Piątkowski c2a9f77c0e gpib: pc2: Unify *allocate_private usage 
Use the return value of allocate_private in calling code as early return
value in case of error.

Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski@protonmail.com>
Link: https://patch.msgid.link/20260116174647.317256-25-dominik.karol.piatkowski@protonmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-01-27 16:04:08 +01:00
Dominik Karol Piątkowski 68de22e994 gpib: pc2: Unify *allocate_private return value 
Return -ENOMEM instead of -1 in allocate_private in case of memory
allocation failure.

Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski@protonmail.com>
Link: https://patch.msgid.link/20260116174647.317256-24-dominik.karol.piatkowski@protonmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-01-27 16:04:08 +01:00
Dominik Karol Piątkowski 6e6dc3f7c0 gpib: pc2: Replace kmalloc/memset to kzalloc in *allocate_private 
Replace kmalloc/memset pair to kzalloc in allocate_private.

Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski@protonmail.com>
Link: https://patch.msgid.link/20260116174647.317256-23-dominik.karol.piatkowski@protonmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-01-27 16:04:08 +01:00
Dominik Karol Piątkowski 78047416f8 gpib: ni_usb: Fix the *allocate_private retval check 
Change

if (retval < 0)
        return retval;

into

if (retval)
        return retval;

as it is more fitting in this case.

Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski@protonmail.com>
Link: https://patch.msgid.link/20260116174647.317256-22-dominik.karol.piatkowski@protonmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-01-27 16:04:08 +01:00
Dominik Karol Piątkowski 64900aa878 gpib: ni_usb: Replace kmalloc/memset to kzalloc in *allocate_private 
Replace kmalloc/memset pair to kzalloc in ni_usb_allocate_private.

Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski@protonmail.com>
Link: https://patch.msgid.link/20260116174647.317256-21-dominik.karol.piatkowski@protonmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-01-27 16:04:07 +01:00
Dominik Karol Piątkowski 11f1b16916 gpib: ines: Unify *allocate_private usage 
Use the return value of ines_allocate_private in calling code as early
return value in case of error.

Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski@protonmail.com>
Link: https://patch.msgid.link/20260116174647.317256-20-dominik.karol.piatkowski@protonmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-01-27 16:04:07 +01:00
Dominik Karol Piątkowski 24d4d06acb gpib: ines: Unify *allocate_private return value 
Return -ENOMEM instead of -1 in ines_allocate_private in case of memory
allocation failure.

Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski@protonmail.com>
Link: https://patch.msgid.link/20260116174647.317256-19-dominik.karol.piatkowski@protonmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-01-27 16:04:07 +01:00
Dominik Karol Piątkowski b3d3ab10b9 gpib: ines: Replace kmalloc/memset to kzalloc in *allocate_private 
Replace kmalloc/memset pair to kzalloc in ines_allocate_private.

Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski@protonmail.com>
Link: https://patch.msgid.link/20260116174647.317256-18-dominik.karol.piatkowski@protonmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-01-27 16:04:07 +01:00
Dominik Karol Piątkowski 3f5d831600 gpib: hp_82341: Unify *allocate_private usage 
Use the return value of hp_82341_allocate_private in calling code as
early return value in case of error.

Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski@protonmail.com>
Link: https://patch.msgid.link/20260116174647.317256-17-dominik.karol.piatkowski@protonmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-01-27 16:04:07 +01:00
Dominik Karol Piątkowski c0790b6c90 gpib: hp_82335: Unify *allocate_private usage 
Use the return value of hp82335_allocate_private in calling code as
early return value in case of error.

Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski@protonmail.com>
Link: https://patch.msgid.link/20260116174647.317256-16-dominik.karol.piatkowski@protonmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-01-27 16:04:07 +01:00
Dominik Karol Piątkowski 0a1e9b99d8 gpib: hp_82335: Unify *allocate_private return value 
Return -ENOMEM instead of -1 in hp82335_allocate_private in case of
memory allocation failure.

Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski@protonmail.com>
Link: https://patch.msgid.link/20260116174647.317256-15-dominik.karol.piatkowski@protonmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-01-27 16:04:07 +01:00
Dominik Karol Piątkowski 1dd1bc4d79 gpib: gpio: Unify *allocate_private usage 
Use the return value of allocate_private in calling code as early return
value in case of error.

Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski@protonmail.com>
Link: https://patch.msgid.link/20260116174647.317256-14-dominik.karol.piatkowski@protonmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-01-27 16:04:07 +01:00
Dominik Karol Piątkowski ad161c8b12 gpib: gpio: Unify *allocate_private return value 
Return -ENOMEM instead of -1 in allocate_private in case of memory
allocation failure.

Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski@protonmail.com>
Link: https://patch.msgid.link/20260116174647.317256-13-dominik.karol.piatkowski@protonmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-01-27 16:04:07 +01:00
Dominik Karol Piątkowski c47b98c476 gpib: fmh_gpib: Fix the *allocate_private retval check 
Change

if (retval < 0)
        return retval;

into

if (retval)
        return retval;

as it is more fitting in this case.

Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski@protonmail.com>
Link: https://patch.msgid.link/20260116174647.317256-12-dominik.karol.piatkowski@protonmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-01-27 16:04:07 +01:00
Dominik Karol Piątkowski 578481c343 gpib: fmh_gpib: Replace kmalloc/memset to kzalloc in *allocate_private 
Replace kmalloc/memset pair to kzalloc in fmh_gpib_allocate_private.

Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski@protonmail.com>
Link: https://patch.msgid.link/20260116174647.317256-11-dominik.karol.piatkowski@protonmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-01-27 16:04:06 +01:00
Dominik Karol Piątkowski f9d2893ff9 gpib: eastwood: Fix the *allocate_private retval check 
Change

if (retval < 0)
        return retval;

into

if (retval)
        return retval;

as it is more fitting in this case.

Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski@protonmail.com>
Link: https://patch.msgid.link/20260116174647.317256-10-dominik.karol.piatkowski@protonmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-01-27 16:04:06 +01:00
Dominik Karol Piątkowski 59e2e6b562 gpib: eastwood: Replace kmalloc/memset to kzalloc in *allocate_private 
Replace kmalloc/memset pair to kzalloc in fluke_allocate_private.

Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski@protonmail.com>
Link: https://patch.msgid.link/20260116174647.317256-9-dominik.karol.piatkowski@protonmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-01-27 16:04:06 +01:00
Dominik Karol Piątkowski 908206d82e gpib: cec: Unify *allocate_private usage 
Use the return value of cec_allocate_private in calling code as early
return value in case of error.

Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski@protonmail.com>
Link: https://patch.msgid.link/20260116174647.317256-8-dominik.karol.piatkowski@protonmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-01-27 16:04:06 +01:00
Dominik Karol Piątkowski b47077a4c0 gpib: cec: Unify *allocate_private return value 
Return -ENOMEM instead of -1 in cec_allocate_private in case of memory
allocation failure.

Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski@protonmail.com>
Link: https://patch.msgid.link/20260116174647.317256-7-dominik.karol.piatkowski@protonmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2026-01-27 16:04:06 +01:00