diff options
Diffstat (limited to 'fs/coda/pioctl.c')
-rw-r--r-- | fs/coda/pioctl.c | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/fs/coda/pioctl.c b/fs/coda/pioctl.c index ca25d96d45c9..2fd89b5c5c7b 100644 --- a/fs/coda/pioctl.c +++ b/fs/coda/pioctl.c | |||
@@ -23,8 +23,6 @@ | |||
23 | #include <linux/coda_fs_i.h> | 23 | #include <linux/coda_fs_i.h> |
24 | #include <linux/coda_psdev.h> | 24 | #include <linux/coda_psdev.h> |
25 | 25 | ||
26 | #include <linux/smp_lock.h> | ||
27 | |||
28 | /* pioctl ops */ | 26 | /* pioctl ops */ |
29 | static int coda_ioctl_permission(struct inode *inode, int mask); | 27 | static int coda_ioctl_permission(struct inode *inode, int mask); |
30 | static long coda_pioctl(struct file *filp, unsigned int cmd, | 28 | static long coda_pioctl(struct file *filp, unsigned int cmd, |
@@ -39,6 +37,7 @@ const struct inode_operations coda_ioctl_inode_operations = { | |||
39 | const struct file_operations coda_ioctl_operations = { | 37 | const struct file_operations coda_ioctl_operations = { |
40 | .owner = THIS_MODULE, | 38 | .owner = THIS_MODULE, |
41 | .unlocked_ioctl = coda_pioctl, | 39 | .unlocked_ioctl = coda_pioctl, |
40 | .llseek = noop_llseek, | ||
42 | }; | 41 | }; |
43 | 42 | ||
44 | /* the coda pioctl inode ops */ | 43 | /* the coda pioctl inode ops */ |
@@ -57,13 +56,9 @@ static long coda_pioctl(struct file *filp, unsigned int cmd, | |||
57 | struct inode *target_inode = NULL; | 56 | struct inode *target_inode = NULL; |
58 | struct coda_inode_info *cnp; | 57 | struct coda_inode_info *cnp; |
59 | 58 | ||
60 | lock_kernel(); | ||
61 | |||
62 | /* get the Pioctl data arguments from user space */ | 59 | /* get the Pioctl data arguments from user space */ |
63 | if (copy_from_user(&data, (void __user *)user_data, sizeof(data))) { | 60 | if (copy_from_user(&data, (void __user *)user_data, sizeof(data))) |
64 | error = -EINVAL; | 61 | return -EINVAL; |
65 | goto out; | ||
66 | } | ||
67 | 62 | ||
68 | /* | 63 | /* |
69 | * Look up the pathname. Note that the pathname is in | 64 | * Look up the pathname. Note that the pathname is in |
@@ -75,13 +70,12 @@ static long coda_pioctl(struct file *filp, unsigned int cmd, | |||
75 | error = user_lpath(data.path, &path); | 70 | error = user_lpath(data.path, &path); |
76 | 71 | ||
77 | if (error) | 72 | if (error) |
78 | goto out; | 73 | return error; |
79 | else | 74 | |
80 | target_inode = path.dentry->d_inode; | 75 | target_inode = path.dentry->d_inode; |
81 | 76 | ||
82 | /* return if it is not a Coda inode */ | 77 | /* return if it is not a Coda inode */ |
83 | if (target_inode->i_sb != inode->i_sb) { | 78 | if (target_inode->i_sb != inode->i_sb) { |
84 | path_put(&path); | ||
85 | error = -EINVAL; | 79 | error = -EINVAL; |
86 | goto out; | 80 | goto out; |
87 | } | 81 | } |
@@ -90,10 +84,7 @@ static long coda_pioctl(struct file *filp, unsigned int cmd, | |||
90 | cnp = ITOC(target_inode); | 84 | cnp = ITOC(target_inode); |
91 | 85 | ||
92 | error = venus_pioctl(inode->i_sb, &(cnp->c_fid), cmd, &data); | 86 | error = venus_pioctl(inode->i_sb, &(cnp->c_fid), cmd, &data); |
93 | |||
94 | path_put(&path); | ||
95 | |||
96 | out: | 87 | out: |
97 | unlock_kernel(); | 88 | path_put(&path); |
98 | return error; | 89 | return error; |
99 | } | 90 | } |