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| author | eadler <eadler@FreeBSD.org> | 2013-11-30 22:17:27 +0000 |
|---|---|---|
| committer | eadler <eadler@FreeBSD.org> | 2013-11-30 22:17:27 +0000 |
| commit | 44c01df17391f4429ee371e8039ae4fd802c2a8e (patch) | |
| tree | 050fb3b68519f6ef7d59051550fa29cdd79d6dac /sys/boot/arm | |
| parent | 5bcb8c5f4293579e5f8aba6f33f85246b7b70e5d (diff) | |
| download | FreeBSD-src-44c01df17391f4429ee371e8039ae4fd802c2a8e.zip FreeBSD-src-44c01df17391f4429ee371e8039ae4fd802c2a8e.tar.gz | |
Fix undefined behavior: (1 << 31) is not defined as 1 is an int and this
shifts into the sign bit. Instead use (1U << 31) which gets the
expected result.
This fix is not ideal as it assumes a 32 bit int, but does fix the issue
for most cases.
A similar change was made in OpenBSD.
Discussed with: -arch, rdivacky
Reviewed by: cperciva
Diffstat (limited to 'sys/boot/arm')
| -rw-r--r-- | sys/boot/arm/at91/libat91/mci_device.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/boot/arm/at91/libat91/mci_device.h b/sys/boot/arm/at91/libat91/mci_device.h index eeff0c9..903454c 100644 --- a/sys/boot/arm/at91/libat91/mci_device.h +++ b/sys/boot/arm/at91/libat91/mci_device.h @@ -306,7 +306,7 @@ typedef struct _AT91S_MciDevice #define AT91C_VDD_33_34 (1 << 21) #define AT91C_VDD_34_35 (1 << 22) #define AT91C_VDD_35_36 (1 << 23) -#define AT91C_CARD_POWER_UP_BUSY (1 << 31) +#define AT91C_CARD_POWER_UP_BUSY (1U << 31) #define AT91C_MMC_HOST_VOLTAGE_RANGE (AT91C_VDD_27_28 | AT91C_VDD_28_29 | \ AT91C_VDD_29_30 | AT91C_VDD_30_31 | AT91C_VDD_31_32 | AT91C_VDD_32_33) |
