evie/android_kernel_oneplus_msm8998
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ANDROID: sdcardfs: Fix incorrect hash

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This adds back the hash calculation removed as part of
the previous patch, as it is in fact necessary.

Signed-off-by: Daniel Rosenberg <drosen@google.com>
Bug: 35307857
Change-Id: Ie607332bcf2c5d2efdf924e4060ef3f576bf25dc
This commit is contained in:
Daniel Rosenberg 2017-02-14 20:47:17 -08:00
parent 8b75db9857
commit 56026a89e6
1 changed files with 6 additions and 2 deletions
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8
fs/sdcardfs/lookup.c
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@ -221,6 +221,7 @@ static struct dentry *__sdcardfs_lookup(struct dentry *dentry,
struct dentry *lower_dentry; struct dentry *lower_dentry;
const struct qstr *name; const struct qstr *name;
struct path lower_path; struct path lower_path;
struct qstr dname;
struct sdcardfs_sb_info *sbi; struct sdcardfs_sb_info *sbi;
sbi = SDCARDFS_SB(dentry->d_sb); sbi = SDCARDFS_SB(dentry->d_sb);
@ -306,11 +307,14 @@ static struct dentry *__sdcardfs_lookup(struct dentry *dentry,
goto out; goto out;
/* instatiate a new negative dentry */ /* instatiate a new negative dentry */
lower_dentry = d_lookup(lower_dir_dentry, name); dname.name = name->name;
dname.len = name->len;
dname.hash = full_name_hash(dname.name, dname.len);
lower_dentry = d_lookup(lower_dir_dentry, &dname);
if (lower_dentry) if (lower_dentry)
goto setup_lower; goto setup_lower;
lower_dentry = d_alloc(lower_dir_dentry, name); lower_dentry = d_alloc(lower_dir_dentry, &dname);
if (!lower_dentry) { if (!lower_dentry) {
err = -ENOMEM; err = -ENOMEM;
goto out; goto out;