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score: add address space annotations

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Annotate the address space for pointers that are used
correctly with __user and __iomem, so that sparse
can better warn about incorrect casts.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann
2009-06-27 15:05:30 +02:00
parent 9fb24cc500
commit a1f8213b95
4 changed files with 16 additions and 14 deletions
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9
arch/score/kernel/sys_score.c
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@@ -87,18 +87,19 @@ int score_clone(struct pt_regs *regs)
* sys_execve() executes a new program.
* This is called indirectly via a small wrapper
*/
int score_execve(struct pt_regs *regs)
asmlinkage long
score_execve(struct pt_regs *regs)
{
int error;
char *filename;
filename = getname((char *) (long) regs->regs[4]);
filename = getname((char __user*)regs->regs[4]);
error = PTR_ERR(filename);
if (IS_ERR(filename))
return error;
error = do_execve(filename, (char **) (long) regs->regs[5],
(char **) (long) regs->regs[6], regs);
error = do_execve(filename, (char __user *__user*)regs->regs[5],
(char __user *__user *) regs->regs[6], regs);
putname(filename);
return error;