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88c54cdf61
When user tries to replace the user-defined control TLV, the kernel
checks the change of its content via memcmp(). The problem is that
the kernel passes the return value from memcmp() as is. memcmp()
gives a non-zero negative value depending on the comparison result,
and this shall be recognized as an error code.
The patch covers that corner-case, return 1 properly for the changed
TLV.
Fixes:
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.. | ||
oss | ||
seq | ||
compress_offload.c | ||
control.c | ||
control_compat.c | ||
ctljack.c | ||
device.c | ||
hrtimer.c | ||
hwdep.c | ||
hwdep_compat.c | ||
info.c | ||
info_oss.c | ||
init.c | ||
isadma.c | ||
jack.c | ||
Kconfig | ||
Makefile | ||
memalloc.c | ||
memory.c | ||
misc.c | ||
pcm.c | ||
pcm_compat.c | ||
pcm_dmaengine.c | ||
pcm_drm_eld.c | ||
pcm_iec958.c | ||
pcm_lib.c | ||
pcm_local.h | ||
pcm_memory.c | ||
pcm_misc.c | ||
pcm_native.c | ||
pcm_param_trace.h | ||
pcm_timer.c | ||
pcm_trace.h | ||
rawmidi.c | ||
rawmidi_compat.c | ||
seq_device.c | ||
sgbuf.c | ||
sound.c | ||
sound_oss.c | ||
timer.c | ||
timer_compat.c | ||
vmaster.c |