When using single_open() for opening, single_release() should be used instead of seq_release(), otherwise there is a memory leak. Fixes: 09ae5d37e093 ("crypto: zip - Add Compression/Decompression statistics") Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx> --- drivers/crypto/cavium/zip/zip_main.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/crypto/cavium/zip/zip_main.c b/drivers/crypto/cavium/zip/zip_main.c index a8447a3cf366..194624b4855b 100644 --- a/drivers/crypto/cavium/zip/zip_main.c +++ b/drivers/crypto/cavium/zip/zip_main.c @@ -593,6 +593,7 @@ static const struct file_operations zip_stats_fops = { .owner = THIS_MODULE, .open = zip_stats_open, .read = seq_read, + .release = single_release, }; static int zip_clear_open(struct inode *inode, struct file *file) @@ -604,6 +605,7 @@ static const struct file_operations zip_clear_fops = { .owner = THIS_MODULE, .open = zip_clear_open, .read = seq_read, + .release = single_release, }; static int zip_regs_open(struct inode *inode, struct file *file) @@ -615,6 +617,7 @@ static const struct file_operations zip_regs_fops = { .owner = THIS_MODULE, .open = zip_regs_open, .read = seq_read, + .release = single_release, }; /* Root directory for thunderx_zip debugfs entry */