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(parent: 351ab26) | patch
arm64: kexec_file: handle empty command-line
authorJean-Philippe Brucker <jean-philippe.brucker@arm.com>
Fri, 1 Feb 2019 16:26:08 +0000 (16:26 +0000)
committerWill Deacon <will.deacon@arm.com>
Tue, 5 Feb 2019 09:34:49 +0000 (09:34 +0000)
commit0706e326385f0757ef32a23bab04c4ad83308ab2
treecc5eae5f498457b244da24775b0425f520bb5286tree | snapshot
parent351ab261e236c148a5c1fded3c83f635bbe04171commit | diff
arm64: kexec_file: handle empty command-line

Calling strlen() on cmdline == NULL produces a kernel oops. Since having
a NULL cmdline is valid, handle this case explicitly.

Fixes: 5bfcc5256d08 ("arm64: kexec_file: load initrd and device-tree")
Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
arch/arm64/kernel/machine_kexec_file.c diff | blob | history
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