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authorAndrew Morton <akpm@linux-foundation.org>2022-09-26 13:13:15 -0700
committerAndrew Morton <akpm@linux-foundation.org>2022-09-26 13:13:15 -0700
commit6d751329e761338faa9c24c2c9736f27bc54282b (patch)
tree6e1778a7448552c58d12da88f70f6ad2718d55da /mm/damon/dbgfs.c
parent088b8aa537c2c767765f1c19b555f21ffe555786 (diff)
parent59298997df89e19aad426d4ae0a7e5037074da5a (diff)
Merge branch 'mm-hotfixes-stable' into mm-stable
Diffstat (limited to 'mm/damon/dbgfs.c')
-rw-r--r--mm/damon/dbgfs.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/mm/damon/dbgfs.c b/mm/damon/dbgfs.c
index 3b55a1b219b5..652a94deafe3 100644
--- a/mm/damon/dbgfs.c
+++ b/mm/damon/dbgfs.c
@@ -884,6 +884,7 @@ static int dbgfs_rm_context(char *name)
struct dentry *root, *dir, **new_dirs;
struct damon_ctx **new_ctxs;
int i, j;
+ int ret = 0;
if (damon_nr_running_ctxs())
return -EBUSY;
@@ -898,14 +899,16 @@ static int dbgfs_rm_context(char *name)
new_dirs = kmalloc_array(dbgfs_nr_ctxs - 1, sizeof(*dbgfs_dirs),
GFP_KERNEL);
- if (!new_dirs)
- return -ENOMEM;
+ if (!new_dirs) {
+ ret = -ENOMEM;
+ goto out_dput;
+ }
new_ctxs = kmalloc_array(dbgfs_nr_ctxs - 1, sizeof(*dbgfs_ctxs),
GFP_KERNEL);
if (!new_ctxs) {
- kfree(new_dirs);
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto out_new_dirs;
}
for (i = 0, j = 0; i < dbgfs_nr_ctxs; i++) {
@@ -925,7 +928,13 @@ static int dbgfs_rm_context(char *name)
dbgfs_ctxs = new_ctxs;
dbgfs_nr_ctxs--;
- return 0;
+ goto out_dput;
+
+out_new_dirs:
+ kfree(new_dirs);
+out_dput:
+ dput(dir);
+ return ret;
}
static ssize_t dbgfs_rm_context_write(struct file *file,