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(parent: 30b5e6e) | patch
powerpc/bpf ppc32: Fix BPF_SUB when imm == 0x80000000
authorNaveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Tue, 5 Oct 2021 20:25:29 +0000 (01:55 +0530)
committerMichael Ellerman <mpe@ellerman.id.au>
Thu, 7 Oct 2021 08:52:59 +0000 (19:52 +1100)
commit0fb099276331df838c2cc0cfdf28fd3daa288c8b
treeb8c911956ddf3c3a172e4a2c52c74b1937004f6ctree | snapshot
parent30b5e6e1df424f7c1434c955a4d7c7c0fcac1e2bcommit | diff
powerpc/bpf ppc32: Fix BPF_SUB when imm == 0x80000000

Special case handling of the smallest 32-bit negative number for BPF_SUB.

Fixes: beee5c76e49492 ("powerpc/bpf: Implement extended BPF on PPC32")
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/7135360a0cdf70adedbccf9863128b8daef18764.1633464148.git.naveen.n.rao@linux.vnet.ibm.com
arch/powerpc/net/bpf_jit_comp32.c diff | blob | history
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