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[xen master] xen/cmdline: fix printf format specifier in no_config_param()
commit ef101f525173cf51dc70f4c77862f6f10a8ddccf
Author: Roger Pau Monné <roger.pau@citrix.com>
AuthorDate: Mon Feb 26 10:17:40 2024 +0100
Commit: Jan Beulich <jbeulich@suse.com>
CommitDate: Mon Feb 26 10:17:40 2024 +0100

xen/cmdline: fix printf format specifier in no_config_param()

'*' sets the width field, which is the minimum number of characters to output,
but what we want in no_config_param() is the precision instead, which is '.*'
as it imposes a maximum limit on the output.

Fixes: 68d757df8dd2 ('x86/pv: Options to disable and/or compile out 32bit PV support')
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
---
xen/include/xen/param.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/include/xen/param.h b/xen/include/xen/param.h
index 9170455cde..6442a92aff 100644
--- a/xen/include/xen/param.h
+++ b/xen/include/xen/param.h
@@ -191,7 +191,7 @@ static inline void no_config_param(const char *cfg, const char *param,
{
int len = e ? ({ ASSERT(e >= s); e - s; }) : strlen(s);

- printk(XENLOG_INFO "CONFIG_%s disabled - ignoring '%s=%*s' setting\n",
+ printk(XENLOG_INFO "CONFIG_%s disabled - ignoring '%s=%.*s' setting\n",
cfg, param, len, s);
}

--
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