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PM: hibernate: remove the bogus call to get_gendisk() in software_resume() 

get_gendisk grabs a reference on the disk and file operation, so this
code will leak both of them while having absolutely no use for the
gendisk itself.

This effectively reverts commit 2df83fa4bc ("PM / Hibernate: Use
get_gendisk to verify partition if resume_file is integer format")

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Christoph Hellwig 2020-09-25 18:14:47 +02:00 committed by Rafael J. Wysocki
parent 55c4478a8f
commit 428805c0c5
1 changed files with 0 additions and 11 deletions
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11
kernel/power/hibernate.c
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@ -948,17 +948,6 @@ static int software_resume(void)
/* Check if the device is there */
swsusp_resume_device = name_to_dev_t(resume_file);
/*
* name_to_dev_t is ineffective to verify parition if resume_file is in
* integer format. (e.g. major:minor)
*/
if (isdigit(resume_file[0]) && resume_wait) {
int partno;
while (!get_gendisk(swsusp_resume_device, &partno))
msleep(10);
}
if (!swsusp_resume_device) {
/*
* Some device discovery might still be in progress; we need