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linux/kernel/debug
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Daniel Thompson d7fe290b7e kdb: Fix handling of kallsyms_symbol_next() return value 
commit c07d353380 upstream.

kallsyms_symbol_next() returns a boolean (true on success). Currently
kdb_read() tests the return value with an inequality that
unconditionally evaluates to true.

This is fixed in the obvious way and, since the conditional branch is
supposed to be unreachable, we also add a WARN_ON().

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
History 2018-03-03 15:51:46 +00:00
..
kdb kdb: Fix handling of kallsyms_symbol_next() return value 2018-03-03 15:51:46 +00:00
debug_core.c arch: Mass conversion of smp_mb__*() 2014-04-18 14:20:48 +02:00
debug_core.h kgdb/kdb: Fix no KDB config problem 2014-01-25 08:55:09 +01:00
gdbstub.c KGDB/KDB fixes and cleanups 2013-03-02 08:31:39 -08:00
Makefile kdb: core for kgdb back end (1 of 2) 2010-05-20 21:04:20 -05:00