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monreader: BKL pushdown
[jmc: added <linux/smp_lock.h>] Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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1 changed files with 4 additions and 0 deletions
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@ -11,6 +11,7 @@
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/init.h>
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#include <linux/smp_lock.h>
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#include <linux/errno.h>
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#include <linux/types.h>
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#include <linux/kernel.h>
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@ -340,6 +341,7 @@ static int mon_open(struct inode *inode, struct file *filp)
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/*
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* only one user allowed
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*/
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lock_kernel();
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rc = -EBUSY;
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if (test_and_set_bit(MON_IN_USE, &mon_in_use))
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goto out;
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@ -377,6 +379,7 @@ static int mon_open(struct inode *inode, struct file *filp)
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}
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P_INFO("open, established connection to *MONITOR service\n\n");
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filp->private_data = monpriv;
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unlock_kernel();
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return nonseekable_open(inode, filp);
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out_path:
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@ -386,6 +389,7 @@ static int mon_open(struct inode *inode, struct file *filp)
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out_use:
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clear_bit(MON_IN_USE, &mon_in_use);
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out:
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unlock_kernel();
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return rc;
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}
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