From 2c23bf200d97f31c482b8e620a8c441a1e2080cd Mon Sep 17 00:00:00 2001 From: Vladislav Bolkhovitin Date: Wed, 18 Apr 2012 01:29:14 +0000 Subject: [PATCH] scst_set_io_context(): Save old I/O context Fix somehow missed saving old IO context Signed-off-by: Bart Van Assche git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4214 d57e44dd-8a1f-0410-8b47-8ef2f437770f --- scst/src/scst_priv.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/scst/src/scst_priv.h b/scst/src/scst_priv.h index c4b396352..101e94185 100644 --- a/scst/src/scst_priv.h +++ b/scst/src/scst_priv.h @@ -183,6 +183,8 @@ static inline bool scst_set_io_context(struct scst_cmd *cmd, { bool res; + EXTRACHECKS_BUG_ON(old == NULL); + #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 25) return false; #endif @@ -197,6 +199,7 @@ static inline bool scst_set_io_context(struct scst_cmd *cmd, * No need for any ref counting action, because io_context * supposed to be cleared in the end of the caller function. */ + *old = current->io_context; current->io_context = cmd->tgt_dev->async_io_context; res = true; TRACE_DBG("io_context %p (tgt_dev %p)", current->io_context,