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authorMarcin Slusarz <marcin.slusarz@gmail.com>2011-06-05 18:53:16 +0200
committerMarcin Slusarz <marcin.slusarz@gmail.com>2011-09-18 15:25:18 +0200
commit763b618d55a973807823bb1a1c6e60b9e2db6d8b (patch)
tree16136d83696d9b1b6651f7d77ccb1fc6fc80dec1 /tests/kmstest/Makefile.am
parent2acaf160df584a5ef7b5c5b84819389948cd97ad (diff)
drm mode: fix drmIoctl wrapper
Both drmIoctl and ioctl define second argument as unigned long. Debugging/tracing tools (like strace or valgrind) on 64-bit machines see different request value for ioctls with 32nd bit set, because casting signed int to unsigned long extends 32nd bit to upper word, so 0x80000000 becomes 0xFFFFFFFF80000000) Nobody noticed because higher 32 bits are chopped off on their way to kernel.
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