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authorMax Asbock <masbock@us.ibm.com>2005-06-22 04:16:36 +0400
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-22 06:07:35 +0400
commit8818760512424f60ad9fafb7a087b007a9274eb3 (patch)
treefb49ce398750f42803d4631a24e4a2ffe35d79d7 /drivers/misc/ibmasm/ibmasmfs.c
parent278d72ae8803ffcd16070c95fe1d53f4466dc741 (diff)
downloadlinux-8818760512424f60ad9fafb7a087b007a9274eb3.tar.xz
[PATCH] ibmasm driver: fix race in command refcount logic
This patch fixes a race in the command reference counting logic by putting spinlocks around kobject_put() in the command_put function. - Also added debug messages. - Changed a memcpy to memcpy_fromio since we are reading from io space. Signed-off-by: Max Asbock <masbock@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/misc/ibmasm/ibmasmfs.c')
-rw-r--r--drivers/misc/ibmasm/ibmasmfs.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c
index ca839162e4f7..5c550fcac2c4 100644
--- a/drivers/misc/ibmasm/ibmasmfs.c
+++ b/drivers/misc/ibmasm/ibmasmfs.c
@@ -321,7 +321,7 @@ static ssize_t command_file_write(struct file *file, const char __user *ubuff, s
if (command_data->command)
return -EAGAIN;
- cmd = ibmasm_new_command(count);
+ cmd = ibmasm_new_command(command_data->sp, count);
if (!cmd)
return -ENOMEM;