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device: Fix an unpaired device close.

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dev_open_flags contains an unpaired dev_close_immediate so increment
open_count before calling it.
This commit is contained in:
Alasdair G Kergon 2017-12-12 17:56:58 +00:00
parent b96862ee11
commit e932c5da50
1 changed files with 4 additions and 3 deletions
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5
lib/device/dev-io.c
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@ -491,11 +491,12 @@ int dev_open_flags(struct device *dev, int flags, int direct, int quiet)
return 1; return 1;
} }
if (dev->open_count && !need_excl) { if (dev->open_count && !need_excl)
log_debug_devs("%s: Already opened read-only. Upgrading " log_debug_devs("%s: Already opened read-only. Upgrading "
"to read-write.", dev_name(dev)); "to read-write.", dev_name(dev));
/* dev_close_immediate will decrement this */
dev->open_count++; dev->open_count++;
}
dev_close_immediate(dev); dev_close_immediate(dev);
// FIXME: dev with DEV_ALLOCED is released // FIXME: dev with DEV_ALLOCED is released