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| author | Ryan Salsamendi <rsalsamendi@hotmail.com> | 2017-06-30 17:15:57 -0700 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2017-07-02 18:54:39 +0000 |
| commit | 0d9b360b42d39d211d62f0c213aae9e7cf3f2924 (patch) | |
| tree | b4e0b236cdade276520d9d92b29fb3efe4c7b442 /src/southbridge/intel/lynxpoint/pcie.c | |
| parent | 0c731b512a6adf3aa9ecee5e89b6514e75ed6653 (diff) | |
| download | coreboot-0d9b360b42d39d211d62f0c213aae9e7cf3f2924.tar.xz | |
southbridge/intel/lynxpoint: Fix undefined behavior
Fix reports found by undefined behavior sanitizer. Left shifting an int
where the right operand is >= the width of the type is undefined. Add
UL suffix since it's safe for unsigned types.
Change-Id: I755b3c80a8d1b6cb6b6e5f411c6691e5dd17c266
Signed-off-by: Ryan Salsamendi <rsalsamendi@hotmail.com>
Reviewed-on: https://review.coreboot.org/20443
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'src/southbridge/intel/lynxpoint/pcie.c')
| -rw-r--r-- | src/southbridge/intel/lynxpoint/pcie.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/southbridge/intel/lynxpoint/pcie.c b/src/southbridge/intel/lynxpoint/pcie.c index 3fd8d1e1c5..3d01cd6660 100644 --- a/src/southbridge/intel/lynxpoint/pcie.c +++ b/src/southbridge/intel/lynxpoint/pcie.c @@ -608,7 +608,7 @@ static void pch_pcie_early(struct device *dev) pci_update_config32(dev, 0x64, ~(1 << 11), (1 << 11)); pci_update_config32(dev, 0x68, ~(1 << 10), (1 << 10)); - pci_update_config32(dev, 0x318, ~(0xffff << 16), (0x1414 << 16)); + pci_update_config32(dev, 0x318, ~(0xffffUL << 16), (0x1414UL << 16)); /* Set L1 exit latency in LCAP register. */ if (!do_aspm && (pci_read_config8(dev, 0xf5) & 0x1)) |