Tiezhu Yang f76fbbbb50 samples/kretprobes: Fix return value if register_kretprobe() failed ... 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: 804defea1c ("Kprobes: move kprobe examples to samples/") Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>		2021-10-26 17:23:46 -04:00
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Makefile	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00
kprobe_example.c	This was a reasonably active cycle for documentation; this pull includes:	2021-06-28 16:53:05 -07:00
kretprobe_example.c	samples/kretprobes: Fix return value if register_kretprobe() failed	2021-10-26 17:23:46 -04:00