diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-27 18:33:56 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-27 18:33:56 -0700 |
commit | febb02bdfe5e2c6ceaa0a38d8b7afca3d98f415a (patch) | |
tree | f2ea606a30cb11f0d914271b54551627dad26eff /drivers/ieee1394/raw1394.c | |
parent | 0b4d569de222452bcb55a4a536ade6cf4d8d1e30 (diff) | |
parent | 32a0f488ce5e8a9a148491f15edc508ab5e8265b (diff) |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: (53 commits)
DVB: firedtv: FireDTV S2 problems with tuning solved
DVB: firedtv: fix printk format mismatch
ieee1394: constify device ID tables
ieee1394: raw1394: add sparse annotations to raw1394_compat_write
ieee1394: Storage class should be before const qualifier
ieee1394: sbp2: follow up on "ieee1394: inherit ud vendor_id from node vendor_id"
firewire: core: optimize propagation of BROADCAST_CHANNEL
firewire: core: simplify broadcast channel allocation
firewire: core: increase bus manager grace period
firewire: core: drop unused call parameters of close_transaction
firewire: cdev: add closure to async stream ioctl
firewire: cdev: simplify FW_CDEV_IOC_SEND_REQUEST return value
firewire: cdev: fix race of ioctl_send_request with bus reset
firewire: cdev: secure add_descriptor ioctl
firewire: cdev: amendment to "add ioctl to query maximum transmission speed"
firewire: broadcast channel support
firewire: implement asynchronous stream transmission
firewire: core: normalize a function argument name
firewire: normalize a variable name
firewire: core: remove condition which is always false
...
Diffstat (limited to 'drivers/ieee1394/raw1394.c')
-rw-r--r-- | drivers/ieee1394/raw1394.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c index bad66c65b0d..da5f8829b50 100644 --- a/drivers/ieee1394/raw1394.c +++ b/drivers/ieee1394/raw1394.c @@ -90,7 +90,7 @@ static int arm_lock(struct hpsb_host *host, int nodeid, quadlet_t * store, static int arm_lock64(struct hpsb_host *host, int nodeid, octlet_t * store, u64 addr, octlet_t data, octlet_t arg, int ext_tcode, u16 flags); -const static struct hpsb_address_ops arm_ops = { +static const struct hpsb_address_ops arm_ops = { .read = arm_read, .write = arm_write, .lock = arm_lock, @@ -369,6 +369,7 @@ static const char __user *raw1394_compat_write(const char __user *buf) { struct compat_raw1394_req __user *cr = (typeof(cr)) buf; struct raw1394_request __user *r; + r = compat_alloc_user_space(sizeof(struct raw1394_request)); #define C(x) __copy_in_user(&r->x, &cr->x, sizeof(r->x)) @@ -378,7 +379,8 @@ static const char __user *raw1394_compat_write(const char __user *buf) C(tag) || C(sendb) || C(recvb)) - return ERR_PTR(-EFAULT); + return (__force const char __user *)ERR_PTR(-EFAULT); + return (const char __user *)r; } #undef C @@ -389,6 +391,7 @@ static int raw1394_compat_read(const char __user *buf, struct raw1394_request *r) { struct compat_raw1394_req __user *cr = (typeof(cr)) buf; + if (!access_ok(VERIFY_WRITE, cr, sizeof(struct compat_raw1394_req)) || P(type) || P(error) || @@ -400,6 +403,7 @@ raw1394_compat_read(const char __user *buf, struct raw1394_request *r) P(sendb) || P(recvb)) return -EFAULT; + return sizeof(struct compat_raw1394_req); } #undef P @@ -2249,8 +2253,8 @@ static ssize_t raw1394_write(struct file *file, const char __user * buffer, sizeof(struct compat_raw1394_req) != sizeof(struct raw1394_request)) { buffer = raw1394_compat_write(buffer); - if (IS_ERR(buffer)) - return PTR_ERR(buffer); + if (IS_ERR((__force void *)buffer)) + return PTR_ERR((__force void *)buffer); } else #endif if (count != sizeof(struct raw1394_request)) { @@ -2978,7 +2982,7 @@ static int raw1394_release(struct inode *inode, struct file *file) * Export information about protocols/devices supported by this driver. */ #ifdef MODULE -static struct ieee1394_device_id raw1394_id_table[] = { +static const struct ieee1394_device_id raw1394_id_table[] = { { .match_flags = IEEE1394_MATCH_SPECIFIER_ID | IEEE1394_MATCH_VERSION, .specifier_id = AVC_UNIT_SPEC_ID_ENTRY & 0xffffff, |