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Subject[PATCH] taint/module: Fix problems when out-of-kernel driver defines true or false
Date
Commit 7fd8329ba502 ("taint/module: Clean up global and module taint
flags handling") used the key words true and false as character members
of a new struct. These names cause problems when out-of-kernel modules
such as VirtualBox include their own definitions of true and false.

Fixes: 7fd8329ba502 ("taint/module: Clean up global and module taint flags handling")
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Jessica Yu <jeyu@redhat.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
---
include/linux/kernel.h | 4 ++--
kernel/module.c | 2 +-
kernel/panic.c | 2 +-
3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 56aec84..cb09238 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -514,8 +514,8 @@ extern enum system_states {
#define TAINT_FLAGS_COUNT 16

struct taint_flag {
- char true; /* character printed when tainted */
- char false; /* character printed when not tainted */
+ char c_true; /* character printed when tainted */
+ char c_false; /* character printed when not tainted */
bool module; /* also show as a per-module taint flag */
};

diff --git a/kernel/module.c b/kernel/module.c
index f7482db..5f7d482 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1145,7 +1145,7 @@ static size_t module_flags_taint(struct module *mod, char *buf)

for (i = 0; i < TAINT_FLAGS_COUNT; i++) {
if (taint_flags[i].module && test_bit(i, &mod->taints))
- buf[l++] = taint_flags[i].true;
+ buf[l++] = taint_flags[i].c_true;
}

return l;
diff --git a/kernel/panic.c b/kernel/panic.c
index c51edaa..901c4fb 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -355,7 +355,7 @@ const char *print_tainted(void)
for (i = 0; i < TAINT_FLAGS_COUNT; i++) {
const struct taint_flag *t = &taint_flags[i];
*s++ = test_bit(i, &tainted_mask) ?
- t->true : t->false;
+ t->c_true : t->c_false;
}
*s = 0;
} else
--
2.10.2
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