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| author | pjd <pjd@FreeBSD.org> | 2008-04-17 19:19:40 +0000 |
|---|---|---|
| committer | pjd <pjd@FreeBSD.org> | 2008-04-17 19:19:40 +0000 |
| commit | 3e83d6e7db0e2c7d805fd36da3475e635fbb4b3e (patch) | |
| tree | b6fab77274e55a7956dceebcbf420888f5372a1c /sys/kern/kern_linker.c | |
| parent | 29daa50d475a056ec6901b73e7befbdc90e2bb90 (diff) | |
| download | FreeBSD-src-3e83d6e7db0e2c7d805fd36da3475e635fbb4b3e.zip FreeBSD-src-3e83d6e7db0e2c7d805fd36da3475e635fbb4b3e.tar.gz | |
Allow linker_search_symbol_name() to be called with KLD lock held.
The linker_search_symbol_name() function is used by stack_print()
and stack_print() can be called from kernel module unload method.
MFC after: 1 week
Diffstat (limited to 'sys/kern/kern_linker.c')
| -rw-r--r-- | sys/kern/kern_linker.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sys/kern/kern_linker.c b/sys/kern/kern_linker.c index 45d7653..c417366 100644 --- a/sys/kern/kern_linker.c +++ b/sys/kern/kern_linker.c @@ -924,11 +924,14 @@ int linker_search_symbol_name(caddr_t value, char *buf, u_int buflen, long *offset) { - int error; + int error, locked; - KLD_LOCK(); + locked = KLD_LOCKED(); + if (!locked) + KLD_LOCK(); error = linker_debug_search_symbol_name(value, buf, buflen, offset); - KLD_UNLOCK(); + if (!locked) + KLD_UNLOCK(); return (error); } |
