Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d40f6d71da81deb66c4fa54b46e22977cdb8b451
Commit: d40f6d71da81deb66c4fa54b46e22977cdb8b451
Parent: 2a9529a0c890007ade5425b75272c3def283f8b1
Author: Jeff Dike <[EMAIL PROTECTED]>
AuthorDate: Thu Mar 29 01:20:28 2007 -0700
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Thu Mar 29 08:22:24 2007 -0700
[PATCH] uml: fix device unplug crash
Fix a NULL dereference when unplugging a device. The default value of
err_msg wants to be "" in case the driver doesn't modify it.
Signed-off-by: Jeff Dike <[EMAIL PROTECTED]>
Cc: Paolo 'Blaisorblade' Giarrusso <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
arch/um/drivers/mconsole_kern.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c
index 178b2ef..65ad293 100644
--- a/arch/um/drivers/mconsole_kern.c
+++ b/arch/um/drivers/mconsole_kern.c
@@ -615,6 +615,9 @@ void mconsole_remove(struct mc_request *req)
err_msg = NULL;
err = (*dev->remove)(n, &err_msg);
switch(err){
+ case 0:
+ err_msg = "";
+ break;
case -ENODEV:
if(err_msg == NULL)
err_msg = "Device doesn't exist";
-
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