diff options
Diffstat (limited to 'drivers/staging/rdma/hfi1/debugfs.c')
| -rw-r--r-- | drivers/staging/rdma/hfi1/debugfs.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/drivers/staging/rdma/hfi1/debugfs.c b/drivers/staging/rdma/hfi1/debugfs.c index 99845bc..665666c 100644 --- a/drivers/staging/rdma/hfi1/debugfs.c +++ b/drivers/staging/rdma/hfi1/debugfs.c @@ -465,16 +465,22 @@ static ssize_t __i2c_debugfs_write(struct file *file, const char __user *buf, goto _free; } + ret = acquire_chip_resource(ppd->dd, i2c_target(target), 0); + if (ret) + goto _free; + total_written = i2c_write(ppd, target, i2c_addr, offset, buff, count); if (total_written < 0) { ret = total_written; - goto _free; + goto _release; } *ppos += total_written; ret = total_written; + _release: + release_chip_resource(ppd->dd, i2c_target(target)); _free: kfree(buff); _return: @@ -526,10 +532,14 @@ static ssize_t __i2c_debugfs_read(struct file *file, char __user *buf, goto _return; } + ret = acquire_chip_resource(ppd->dd, i2c_target(target), 0); + if (ret) + goto _free; + total_read = i2c_read(ppd, target, i2c_addr, offset, buff, count); if (total_read < 0) { ret = total_read; - goto _free; + goto _release; } *ppos += total_read; @@ -537,11 +547,13 @@ static ssize_t __i2c_debugfs_read(struct file *file, char __user *buf, ret = copy_to_user(buf, buff, total_read); if (ret > 0) { ret = -EFAULT; - goto _free; + goto _release; } ret = total_read; + _release: + release_chip_resource(ppd->dd, i2c_target(target)); _free: kfree(buff); _return: @@ -592,7 +604,7 @@ static ssize_t __qsfp_debugfs_write(struct file *file, const char __user *buf, goto _free; } - total_written = qsfp_write(ppd, target, *ppos, buff, count); + total_written = one_qsfp_write(ppd, target, *ppos, buff, count); if (total_written < 0) { ret = total_written; goto _free; @@ -646,7 +658,7 @@ static ssize_t __qsfp_debugfs_read(struct file *file, char __user *buf, goto _return; } - total_read = qsfp_read(ppd, target, *ppos, buff, count); + total_read = one_qsfp_read(ppd, target, *ppos, buff, count); if (total_read < 0) { ret = total_read; goto _free; |