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Subject[PATCH 1/2] coda: fix reference counting in coda_file_mmap error path
Date
mmap_region() now calls fput() on the vma->vm_file.

So we need to drop the extra reference on the coda file instead of the
host file.

Signed-off-by: Christian König <christian.koenig@amd.com>
Fixes: 1527f926fd04 ("mm: mmap: fix fput in error path v2")
CC: stable@vger.kernel.org # 5.11+
---
fs/coda/file.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/coda/file.c b/fs/coda/file.c
index 128d63df5bfb..ef5ca22bfb3e 100644
--- a/fs/coda/file.c
+++ b/fs/coda/file.c
@@ -175,10 +175,10 @@ coda_file_mmap(struct file *coda_file, struct vm_area_struct *vma)
ret = call_mmap(vma->vm_file, vma);

if (ret) {
- /* if call_mmap fails, our caller will put coda_file so we
- * should drop the reference to the host_file that we got.
+ /* if call_mmap fails, our caller will put host_file so we
+ * should drop the reference to the coda_file that we got.
*/
- fput(host_file);
+ fput(coda_file);
kfree(cvm_ops);
} else {
/* here we add redirects for the open/close vm_operations */
--
2.25.1
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