samsung_sm8750/android_kernel_samsung_sm8750
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file->f_path.dentry is pinned down for as long as the file is open...

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2014-12-28 09:27:07 -05:00
parent 5e9e204024
commit f4a4a8b125
2 changed files with 2 additions and 9 deletions
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6
security/commoncap.c
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@@ -434,7 +434,6 @@ int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data
*/
static int get_file_caps(struct linux_binprm *bprm, bool *effective, bool *has_cap)
{
struct dentry *dentry;
int rc = 0;
struct cpu_vfs_cap_data vcaps;
@@ -446,9 +445,7 @@ static int get_file_caps(struct linux_binprm *bprm, bool *effective, bool *has_c
if (bprm->file->f_path.mnt->mnt_flags & MNT_NOSUID)
return 0;
dentry = dget(bprm->file->f_path.dentry);
rc = get_vfs_caps_from_disk(dentry, &vcaps);
rc = get_vfs_caps_from_disk(bprm->file->f_path.dentry, &vcaps);
if (rc < 0) {
if (rc == -EINVAL)
printk(KERN_NOTICE "%s: get_vfs_caps_from_disk returned %d for %s\n",
@@ -464,7 +461,6 @@ static int get_file_caps(struct linux_binprm *bprm, bool *effective, bool *has_c
__func__, rc, bprm->filename);
out:
dput(dentry);
if (rc)
bprm_clear_caps(bprm);