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ANDROID: sdcardfs: Use spin_lock_nested

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Signed-off-by: Daniel Rosenberg <drosen@google.com>
Bug: 36007653
Change-Id: I805d5afec797669679853fb2bb993ee38e6276e4
This commit is contained in:
Daniel Rosenberg 2017-03-08 17:11:51 -08:00
parent 650cf58edf
commit 371536f070
1 changed files with 2 additions and 2 deletions
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4
fs/sdcardfs/dentry.c
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@ -76,10 +76,10 @@ static int sdcardfs_d_revalidate(struct dentry *dentry, unsigned int flags)
if (dentry < lower_dentry) { if (dentry < lower_dentry) {
spin_lock(&dentry->d_lock); spin_lock(&dentry->d_lock);
spin_lock(&lower_dentry->d_lock); spin_lock_nested(&lower_dentry->d_lock, DENTRY_D_LOCK_NESTED);
} else { } else {
spin_lock(&lower_dentry->d_lock); spin_lock(&lower_dentry->d_lock);
spin_lock(&dentry->d_lock); spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED);
} }
if (dentry->d_name.len != lower_dentry->d_name.len) { if (dentry->d_name.len != lower_dentry->d_name.len) {