#ifndef PERF_FLAG_FD_NO_GROUP # define PERF_FLAG_FD_NO_GROUP (1UL << 0) #endif #ifndef PERF_FLAG_FD_OUTPUT # define PERF_FLAG_FD_OUTPUT (1UL << 1) #endif #ifndef PERF_FLAG_PID_CGROUP # define PERF_FLAG_PID_CGROUP (1UL << 2) /* pid=cgroup id, per-cpu mode only */ #endif #ifndef PERF_FLAG_FD_CLOEXEC # define PERF_FLAG_FD_CLOEXEC (1UL << 3) /* O_CLOEXEC */ #endif static size_t syscall_arg__scnprintf_perf_flags(char *bf, size_t size, struct syscall_arg *arg) { int printed = 0, flags = arg->val; if (flags == 0) return 0; #define P_FLAG(n) \ if (flags & PERF_FLAG_##n) { \ printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ flags &= ~PERF_FLAG_##n; \ } P_FLAG(FD_NO_GROUP); P_FLAG(FD_OUTPUT); P_FLAG(PID_CGROUP); P_FLAG(FD_CLOEXEC); #undef P_FLAG if (flags) printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); return printed; } #define SCA_PERF_FLAGS syscall_arg__scnprintf_perf_flags d3ff4cae3'/> net-next plumbingsTobias Klauser
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authorJohan Hovold <johan@kernel.org>2017-01-30 11:26:39 +0100
committerJiri Kosina <jkosina@suse.cz>2017-01-31 12:59:33 +0100
commit8e9faa15469ed7c7467423db4c62aeed3ff4cae3 (patch)
treec02e82adbed28ab857971022fca14ef7ee375b65 /drivers/usb/musb/ux500.c
parent7a7b5df84b6b4e5d599c7289526eed96541a0654 (diff)
HID: cp2112: fix gpio-callback error handling
In case of a zero-length report, the gpio direction_input callback would currently return success instead of an errno. Fixes: 1ffb3c40ffb5 ("HID: cp2112: make transfer buffers DMA capable") Cc: stable <stable@vger.kernel.org> # 4.9 Signed-off-by: Johan Hovold <johan@kernel.org> Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/usb/musb/ux500.c')