Messages in this thread Patch in this message | | | From | Sudip Mukherjee <> | Subject | [PATCH v2 1/3] staging: unisys: unregister chardev on error | Date | Fri, 27 Mar 2015 15:26:09 +0530 |
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after registering the major numbers if the cdev_add fails then we were not releasing the major numbers. now we are doing that.
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> ---
v2: removed extra space
drivers/staging/unisys/visorchipset/file.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/unisys/visorchipset/file.c b/drivers/staging/unisys/visorchipset/file.c index 39b19af..074c285 100644 --- a/drivers/staging/unisys/visorchipset/file.c +++ b/drivers/staging/unisys/visorchipset/file.c @@ -65,8 +65,10 @@ visorchipset_file_init(dev_t major_dev, struct visorchannel **controlvm_channel) return -1; } rc = cdev_add(&file_cdev, MKDEV(MAJOR(major_dev), 0), 1); - if (rc < 0) + if (rc < 0) { + unregister_chrdev_region(major_dev, 1); return -1; + } return 0; } -- 1.8.1.2
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