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-rw-r--r--fs/compat.c21
1 files changed, 7 insertions, 14 deletions
diff --git a/fs/compat.c b/fs/compat.c
index 2a88477..7f8e26e 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -1476,10 +1476,9 @@ int compat_do_execve(char * filename,
int i;
retval = -ENOMEM;
- bprm = kmalloc(sizeof(*bprm), GFP_KERNEL);
+ bprm = kzalloc(sizeof(*bprm), GFP_KERNEL);
if (!bprm)
goto out_ret;
- memset(bprm, 0, sizeof(*bprm));
file = open_exec(filename);
retval = PTR_ERR(file);
@@ -1640,15 +1639,6 @@ void compat_set_fd_set(unsigned long nr, compat_ulong_t __user *ufdset,
* This is a virtual copy of sys_select from fs/select.c and probably
* should be compared to it from time to time
*/
-static void *select_bits_alloc(int size)
-{
- return kmalloc(6 * size, GFP_KERNEL);
-}
-
-static void select_bits_free(void *bits, int size)
-{
- kfree(bits);
-}
/*
* We can actually return ERESTARTSYS instead of EINTR, but I'd
@@ -1687,7 +1677,7 @@ int compat_core_sys_select(int n, compat_ulong_t __user *inp,
*/
ret = -ENOMEM;
size = FDS_BYTES(n);
- bits = select_bits_alloc(size);
+ bits = kmalloc(6 * size, GFP_KERNEL);
if (!bits)
goto out_nofds;
fds.in = (unsigned long *) bits;
@@ -1721,7 +1711,7 @@ int compat_core_sys_select(int n, compat_ulong_t __user *inp,
compat_set_fd_set(n, exp, fds.res_ex);
out:
- select_bits_free(bits, size);
+ kfree(bits);
out_nofds:
return ret;
}
@@ -2170,9 +2160,12 @@ asmlinkage long compat_sys_nfsservctl(int cmd, struct compat_nfsctl_arg __user *
default:
err = -EINVAL;
- goto done;
+ break;
}
+ if (err)
+ goto done;
+
oldfs = get_fs();
set_fs(KERNEL_DS);
/* The __user pointer casts are valid because of the set_fs() */
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