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f76fbbbb50
Use the actual return value instead of always -1 if register_kretprobe()
failed.
E.g. without this patch:
# insmod samples/kprobes/kretprobe_example.ko func=no_such_func
insmod: ERROR: could not insert module samples/kprobes/kretprobe_example.ko: Operation not permitted
With this patch:
# insmod samples/kprobes/kretprobe_example.ko func=no_such_func
insmod: ERROR: could not insert module samples/kprobes/kretprobe_example.ko: Unknown symbol in module
Link: https://lkml.kernel.org/r/1635213091-24387-2-git-send-email-yangtiezhu@loongson.cn
Fixes:
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.. | ||
kprobe_example.c | ||
kretprobe_example.c | ||
Makefile |