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authorThomas Gleixner <tglx@linutronix.de>2009-09-14 23:37:40 +0200
committerThomas Gleixner <tglx@linutronix.de>2009-09-15 10:17:30 +0200
commit12e09337fe238981cb0c87543306e23775d1a143 (patch)
tree4c5052a801e6868ce2c701af10bf55f5ec5a4929 /arch/xtensa
parent54a6bc0b071c50150bc6d1da16c2cd9a963e288c (diff)
time: Prevent 32 bit overflow with set_normalized_timespec()
set_normalized_timespec() nsec argument is of type long. The recent timekeeping changes of ktime_get_ts() feed ts->tv_nsec + tomono.tv_nsec + nsecs to set_normalized_timespec(). On 32 bit machines that sum can be larger than (1 << 31) and therefor result in a negative value which screws up the result completely. Make the nsec argument of set_normalized_timespec() s64 to fix the problem at hand. This also prevents similar problems for future users of set_normalized_timespec(). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Carsten Emde <carsten.emde@osadl.org> LKML-Reference: <new-submission> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: John Stultz <johnstul@us.ibm.com>
Diffstat (limited to 'arch/xtensa')
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