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Diffstat (limited to 'arch/parisc/kernel')
-rw-r--r--arch/parisc/kernel/sys_parisc32.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/parisc/kernel/sys_parisc32.c b/arch/parisc/kernel/sys_parisc32.c
index ce3245f87fd..a8ebac4fade 100644
--- a/arch/parisc/kernel/sys_parisc32.c
+++ b/arch/parisc/kernel/sys_parisc32.c
@@ -350,6 +350,10 @@ sys32_getdents (unsigned int fd, void __user * dirent, unsigned int count)
struct getdents32_callback buf;
int error;
+ error = -EFAULT;
+ if (!access_ok(VERIFY_WRITE, dirent, count))
+ goto out;
+
error = -EBADF;
file = fget(fd);
if (!file)
@@ -366,8 +370,10 @@ sys32_getdents (unsigned int fd, void __user * dirent, unsigned int count)
error = buf.error;
lastdirent = buf.previous;
if (lastdirent) {
- put_user(file->f_pos, &lastdirent->d_off);
- error = count - buf.count;
+ if (put_user(file->f_pos, &lastdirent->d_off))
+ error = -EFAULT;
+ else
+ error = count - buf.count;
}
out_putf: