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-rw-r--r--fs/partitions/check.c28
1 files changed, 22 insertions, 6 deletions
diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index efef715135d3..2e6413fbd2d8 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -344,18 +344,18 @@ static ssize_t whole_disk_show(struct device *dev,
344static DEVICE_ATTR(whole_disk, S_IRUSR | S_IRGRP | S_IROTH, 344static DEVICE_ATTR(whole_disk, S_IRUSR | S_IRGRP | S_IROTH,
345 whole_disk_show, NULL); 345 whole_disk_show, NULL);
346 346
347void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len, int flags) 347int add_partition(struct gendisk *disk, int part, sector_t start, sector_t len, int flags)
348{ 348{
349 struct hd_struct *p; 349 struct hd_struct *p;
350 int err; 350 int err;
351 351
352 p = kzalloc(sizeof(*p), GFP_KERNEL); 352 p = kzalloc(sizeof(*p), GFP_KERNEL);
353 if (!p) 353 if (!p)
354 return; 354 return -ENOMEM;
355 355
356 if (!init_part_stats(p)) { 356 if (!init_part_stats(p)) {
357 kfree(p); 357 err = -ENOMEM;
358 return; 358 goto out0;
359 } 359 }
360 p->start_sect = start; 360 p->start_sect = start;
361 p->nr_sects = len; 361 p->nr_sects = len;
@@ -378,15 +378,31 @@ void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len,
378 378
379 /* delay uevent until 'holders' subdir is created */ 379 /* delay uevent until 'holders' subdir is created */
380 p->dev.uevent_suppress = 1; 380 p->dev.uevent_suppress = 1;
381 device_add(&p->dev); 381 err = device_add(&p->dev);
382 if (err)
383 goto out1;
382 partition_sysfs_add_subdir(p); 384 partition_sysfs_add_subdir(p);
383 p->dev.uevent_suppress = 0; 385 p->dev.uevent_suppress = 0;
384 if (flags & ADDPART_FLAG_WHOLEDISK) 386 if (flags & ADDPART_FLAG_WHOLEDISK) {
385 err = device_create_file(&p->dev, &dev_attr_whole_disk); 387 err = device_create_file(&p->dev, &dev_attr_whole_disk);
388 if (err)
389 goto out2;
390 }
386 391
387 /* suppress uevent if the disk supresses it */ 392 /* suppress uevent if the disk supresses it */
388 if (!disk->dev.uevent_suppress) 393 if (!disk->dev.uevent_suppress)
389 kobject_uevent(&p->dev.kobj, KOBJ_ADD); 394 kobject_uevent(&p->dev.kobj, KOBJ_ADD);
395
396 return 0;
397
398out2:
399 device_del(&p->dev);
400out1:
401 put_device(&p->dev);
402 free_part_stats(p);
403out0:
404 kfree(p);
405 return err;
390} 406}
391 407
392/* Not exported, helper to add_disk(). */ 408/* Not exported, helper to add_disk(). */