diff options
| author | Firoz Khan <firozk@codeaurora.org> | 2019-02-27 15:46:13 +0530 |
|---|---|---|
| committer | Firoz Khan <firozk@codeaurora.org> | 2019-02-27 15:46:13 +0530 |
| commit | 40a11add8b4a6846a3ac53af5d8374ebc47591c8 (patch) | |
| tree | 756157641b3a3224a8c471ce2fcbe837b53786ec /drivers/char | |
| parent | e2a34f151c7bc7adb99fb673973fbef69e63dce6 (diff) | |
msm: adsprpc: perform NULL check
Perfrom NULL check with return value of kzalloc in
order to avoid NULL pointer dereference.
Change-Id: Ic45cc702b19a87d851b75595e1cf86e1674dd9d4
Signed-off-by: Firoz Khan <firozk@codeaurora.org>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/adsprpc.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/char/adsprpc.c b/drivers/char/adsprpc.c index b042a3d57de9..bd76abfa10ee 100644 --- a/drivers/char/adsprpc.c +++ b/drivers/char/adsprpc.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. + * Copyright (c) 2012-2019, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and @@ -2932,7 +2932,11 @@ static int fastrpc_device_open(struct inode *inode, struct file *filp) return err; snprintf(strpid, PID_SIZE, "%d", current->pid); buf_size = strlen(current->comm) + strlen("_") + strlen(strpid) + 1; - fl->debug_buf = kzalloc(buf_size, GFP_KERNEL); + VERIFY(err, NULL != (fl->debug_buf = kzalloc(buf_size, GFP_KERNEL))); + if (err) { + kfree(fl); + return err; + } snprintf(fl->debug_buf, UL_SIZE, "%.10s%s%d", current->comm, "_", current->pid); debugfs_file = debugfs_create_file(fl->debug_buf, 0644, |