kmalloc can fail and we should check for NULL before using the pointer returned by kmalloc.
Signed-off-by: Sudip Mukherjee <[email protected]> --- drivers/ntb/test/ntb_perf.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/ntb/test/ntb_perf.c b/drivers/ntb/test/ntb_perf.c index c8a37ba..b21e647 100644 --- a/drivers/ntb/test/ntb_perf.c +++ b/drivers/ntb/test/ntb_perf.c @@ -541,6 +541,8 @@ static ssize_t debugfs_run_read(struct file *filp, char __user *ubuf, return 0; buf = kmalloc(64, GFP_KERNEL); + if (!buf) + return -ENOMEM; out_offset = snprintf(buf, 64, "%d\n", perf->run); ret = simple_read_from_buffer(ubuf, count, offp, buf, out_offset); kfree(buf); -- 1.9.1
