powerpc/boot: Handle allocation failure in simple_realloc()

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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

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Li zeming 2022-12-19 10:18:16 +08:00 • committed by Michael Ellerman

parent cda9c0d556

commit 69b0194cce

1 changed files with 3 additions and 1 deletions

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arch/powerpc/boot/simple_alloc.c

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