efi/libstub: Check return value of efi_parse_options

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efi_parse_options can fail if it is unable to allocate space for a copy
of the command line. Check the return value to make sure it succeeded.

Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Link: https://lore.kernel.org/r/20200430182843.2510180-12-nivedita@alum.mit.edu
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>

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Arvind Sankar 2020-04-30 14:28:43 -04:00 • committed by Ard Biesheuvel

parent 7dde67f2a2

commit 055042bedd

2 changed files with 27 additions and 8 deletions

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23

drivers/firmware/efi/libstub/efi-stub.c

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12

drivers/firmware/efi/libstub/x86-stub.c

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