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EDAC, octeon: Fix an uninitialized variable warning
commit544e92581a
upstream. Fix an uninitialized variable warning in the Octeon EDAC driver, as seen in MIPS cavium_octeon_defconfig builds since v4.14 with Codescape GNU Tools 2016.05-03: drivers/edac/octeon_edac-lmc.c In function ‘octeon_lmc_edac_poll_o2’: drivers/edac/octeon_edac-lmc.c:87:24: warning: ‘((long unsigned int*)&int_reg)[1]’ may \ be used uninitialized in this function [-Wmaybe-uninitialized] if (int_reg.s.sec_err || int_reg.s.ded_err) { ^ Iinitialise the whole int_reg variable to zero before the conditional assignments in the error injection case. Signed-off-by: James Hogan <jhogan@kernel.org> Acked-by: David Daney <david.daney@cavium.com> Cc: linux-edac <linux-edac@vger.kernel.org> Cc: linux-mips@linux-mips.org Fixes:1bc021e815
("EDAC: Octeon: Add error injection support") Link: http://lkml.kernel.org/r/20171113161206.20990-1-james.hogan@mips.com Signed-off-by: Borislav Petkov <bp@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -78,6 +78,7 @@ static void octeon_lmc_edac_poll_o2(struct mem_ctl_info *mci)
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if (!pvt->inject)
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int_reg.u64 = cvmx_read_csr(CVMX_LMCX_INT(mci->mc_idx));
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else {
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int_reg.u64 = 0;
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if (pvt->error_type == 1)
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int_reg.s.sec_err = 1;
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if (pvt->error_type == 2)
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