From: Paolo 'Blaisorblade' Giarrusso Date: Fri, 20 Oct 2006 06:28:26 +0000 (-0700) Subject: [PATCH] uml: mmapper - remove just added but wrong "const" attribute X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1ba0ce6f9c19a8573832e14b418dc835dc6f3bbd;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git [PATCH] uml: mmapper - remove just added but wrong "const" attribute When enabling the mmapper driver I got warnings because this "const" miscdevice structure is passed to function as non-const pointer; unlike struct tty_operations, however, I verified that misc_{de,}register _do_ modify their parameter, so this const attribute must be removed. Since the purpose of the change was to guarantee that no lock was needed, add a comment to prove this differently. Signed-off-by: Paolo 'Blaisorblade' Giarrusso Cc: Jeff Dike Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/arch/um/drivers/mmapper_kern.c b/arch/um/drivers/mmapper_kern.c index 9a3b5daf6250..df3516e47d4d 100644 --- a/arch/um/drivers/mmapper_kern.c +++ b/arch/um/drivers/mmapper_kern.c @@ -95,7 +95,8 @@ static const struct file_operations mmapper_fops = { .release = mmapper_release, }; -static const struct miscdevice mmapper_dev = { +/* No locking needed - only used (and modified) by below initcall and exitcall. */ +static struct miscdevice mmapper_dev = { .minor = MISC_DYNAMIC_MINOR, .name = "mmapper", .fops = &mmapper_fops