diff options
| author | Claudiu Beznea <claudiu.beznea@microchip.com> | 2023-06-15 13:25:46 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-06-19 18:13:24 +0300 |
| commit | af2e19d82a116bc622eea84c9faadd5f7e20bec4 (patch) | |
| tree | b7a6722252f5683cc057e89dc18693aada445193 /drivers/misc | |
| parent | afc5fddd3937959b646011fe901360598f826a05 (diff) | |
| download | linux-af2e19d82a116bc622eea84c9faadd5f7e20bec4.tar.xz | |
misc: fastrpc: check return value of devm_kasprintf()
devm_kasprintf() returns a pointer to dynamically allocated memory.
Pointer could be NULL in case allocation fails. Check pointer validity.
Identified with coccinelle (kmerr.cocci script).
Fixes: 3abe3ab3cdab ("misc: fastrpc: add secure domain support")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20230615102546.581899-1-claudiu.beznea@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/fastrpc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c index 37f32d20fcd0..9666d28037e1 100644 --- a/drivers/misc/fastrpc.c +++ b/drivers/misc/fastrpc.c @@ -2225,6 +2225,9 @@ static int fastrpc_device_register(struct device *dev, struct fastrpc_channel_ct fdev->miscdev.fops = &fastrpc_fops; fdev->miscdev.name = devm_kasprintf(dev, GFP_KERNEL, "fastrpc-%s%s", domain, is_secured ? "-secure" : ""); + if (!fdev->miscdev.name) + return -ENOMEM; + err = misc_register(&fdev->miscdev); if (!err) { if (is_secured) |