linux.git/arch/powerpc/boot/simple_alloc.c, branch v5.4.301 Clone of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git powerpc/boot: Only free if realloc() succeeds 2024-09-04T11:14:56+00:00 Michael Ellerman mpe@ellerman.id.au 2024-02-29T11:51:49+00:00 3d2598c317b8f49e3cd9ef8d8d6cfc8acde31968 [ Upstream commit f2d5bccaca3e8c09c9b9c8485375f7bdbb2631d2 ] simple_realloc() frees the original buffer (ptr) even if the reallocation failed. Fix it to behave like standard realloc() and only free the original buffer if the reallocation succeeded. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20240229115149.749264-1-mpe@ellerman.id.au Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit f2d5bccaca3e8c09c9b9c8485375f7bdbb2631d2 ]

simple_realloc() frees the original buffer (ptr) even if the
reallocation failed.

Fix it to behave like standard realloc() and only free the original
buffer if the reallocation succeeded.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240229115149.749264-1-mpe@ellerman.id.au
Signed-off-by: Sasha Levin <sashal@kernel.org>
powerpc/boot: Handle allocation failure in simple_realloc() 2024-09-04T11:14:55+00:00 Li zeming zeming@nfschina.com 2022-12-19T02:18:16+00:00 d921c88d1b5472b5fb32c3727bb52f10158ff109 [ Upstream commit 69b0194ccec033c208b071e019032c1919c2822d ] simple_malloc() will return NULL when there is not enough memory left. Check pointer 'new' before using it to copy the old data. Signed-off-by: Li zeming <zeming@nfschina.com> [mpe: Reword subject, use change log from Christophe] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20221219021816.3012-1-zeming@nfschina.com Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 69b0194ccec033c208b071e019032c1919c2822d ]

simple_malloc() will return NULL when there is not enough memory left.
Check pointer 'new' before using it to copy the old data.

Signed-off-by: Li zeming <zeming@nfschina.com>
[mpe: Reword subject, use change log from Christophe]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20221219021816.3012-1-zeming@nfschina.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
[POWERPC] bootwrapper: Use `unsigned long' for malloc sizes 2007-04-24T12:06:54+00:00 Geert Uytterhoeven Geert.Uytterhoeven@eu.sony.com 2007-04-18T09:24:12+00:00 4ca478e6066ce57f7cc856af36aaf1a2d64417cb Use `unsigned long' for malloc sizes, to match common practice and types used by most callers and callees. Also use `unsigned long' for integers representing pointers in simple_alloc. Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@eu.sony.com> Signed-off-by: Paul Mackerras <paulus@samba.org> 
Use `unsigned long' for malloc sizes, to match common practice and types used
by most callers and callees.
Also use `unsigned long' for integers representing pointers in simple_alloc.

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@eu.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
[POWERPC] Add simple memory allocator to bootwrapper 2006-10-23T02:49:19+00:00 Mark A. Greer mgreer@mvista.com 2006-10-16T20:54:52+00:00 01a6372008ed450982ba38ee5fd91028b9f5a781 Provide primitive malloc, free, and realloc functions for bootwrapper. Signed-off-by: Mark A. Greer <mgreer@mvista.com> Signed-off-by: Paul Mackerras <paulus@samba.org> 
Provide primitive malloc, free, and realloc functions for bootwrapper.

Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>