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Subject[PATCH] arch: blackfin: kernel: sprintf(), need avoid NUL for '%s'

When it is kernel symbol, the 'modname' will be NUL, and the 'symname'
contents the valid name.

So for sprintf(), need avoid NUL for '%s'.


Signed-off-by: Chen Gang <gang.chen@asianux.com>
---
arch/blackfin/kernel/trace.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/blackfin/kernel/trace.c b/arch/blackfin/kernel/trace.c
index c36efa0..11f98bb 100644
--- a/arch/blackfin/kernel/trace.c
+++ b/arch/blackfin/kernel/trace.c
@@ -51,7 +51,7 @@ void decode_address(char *buf, unsigned long address)
if (!modname)
modname = delim = "";
sprintf(buf, "{ %s%s%s%s + 0x%lx }",
- delim, modname, delim, symname,
+ delim, modname ? : "kernel", delim, symname,
(unsigned long)offset);
return;
}
--
1.7.7.6

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