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authorHelge Deller <deller@gmx.de>2020-10-22 18:40:07 +0200
committerHelge Deller <deller@gmx.de>2020-10-23 20:14:07 +0200
commit44a4c9e443674e6cd3368d3e642dfe9c429d5525 (patch)
treec5fd06a96b1b0a190434fdbf1ad91406c6871086 /drivers
parent879bc2d27904354b98ca295b6168718e045c4aa2 (diff)
parisc: Add wrapper syscalls to fix O_NONBLOCK flag usage
The commit 75ae04206a4d ("parisc: Define O_NONBLOCK to become 000200000") changed the O_NONBLOCK constant to have only one bit set (like all other architectures). This change broke some existing userspace code (e.g. udevadm, systemd-udevd, elogind) which called specific syscalls which do strict value checking on their flag parameter. This patch adds wrapper functions for the relevant syscalls. The wrappers masks out any old invalid O_NONBLOCK flags, reports in the syslog if the old O_NONBLOCK value was used and then calls the target syscall with the new O_NONBLOCK value. Fixes: 75ae04206a4d ("parisc: Define O_NONBLOCK to become 000200000") Signed-off-by: Helge Deller <deller@gmx.de> Tested-by: Meelis Roos <mroos@linux.ee> Tested-by: Jeroen Roovers <jer@xs4all.nl>
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