4.14-stable review patch. If anyone has any objections, please let me know.
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From: Lukas Czerner lczerner@redhat.com
commit 625ef8a3acd111d5f496d190baf99d1a815bd03e upstream.
Variable retries is not initialized in ext4_da_write_inline_data_begin() which can lead to nondeterministic number of retries in case we hit ENOSPC. Initialize retries to zero as we do everywhere else.
Signed-off-by: Lukas Czerner lczerner@redhat.com Signed-off-by: Theodore Ts'o tytso@mit.edu Fixes: bc0ca9df3b2a ("ext4: retry allocation when inline->extent conversion failed") Cc: stable@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- fs/ext4/inline.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -869,7 +869,7 @@ int ext4_da_write_inline_data_begin(stru handle_t *handle; struct page *page; struct ext4_iloc iloc; - int retries; + int retries = 0;
ret = ext4_get_inode_loc(inode, &iloc); if (ret)