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Subject[34-longterm 057/260] sysfs: checking for NULL instead of ERR_PTR
Date
From: Dan Carpenter <error27@gmail.com>

commit 57f9bdac2510cd7fda58e4a111d250861eb1ebeb upstream.

d_path() returns an ERR_PTR and it doesn't return NULL.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
---
fs/sysfs/file.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index e222b25..0831b88 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -340,7 +340,7 @@ static int sysfs_open_file(struct inode *inode, struct file *file)
char *p;

p = d_path(&file->f_path, last_sysfs_file, sizeof(last_sysfs_file));
- if (p)
+ if (!IS_ERR(p))
memmove(last_sysfs_file, p, strlen(p) + 1);

/* need attr_sd for attr and ops, its parent for kobj */
--
1.7.3.3


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