fault-inject: automatically detect the number base for fail-nth write interface

Automatically detect the number base to use when writing to fail-nth
file instead of always parsing as a decimal number.

Link: http://lkml.kernel.org/r/1491490561-10485-2-git-send-email-akinobu.mita@gmail.com
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 88b773f..5d93512 100644 (file)
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1368,7 +1368,7 @@ static ssize_t proc_fail_nth_write(struct file *file, const char __user *buf,
        put_task_struct(task);
        if (task != current)
                return -EPERM;
-       err = kstrtoint_from_user(buf, count, 10, &n);
+       err = kstrtoint_from_user(buf, count, 0, &n);
        if (err)
                return err;
        if (n < 0 || n == INT_MAX)