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| author | Artem Bityutskiy | 2007-12-16 15:46:57 +0100 |
|---|---|---|
| committer | Artem Bityutskiy | 2007-12-26 18:15:15 +0100 |
| commit | 77c722dde9975361051c5530475f8f92ed67a506 (patch) | |
| tree | a2d4acd9f868a5d9fb5fcf96d7a7af488246e98c | |
| parent | UBI: remove ubi_devices_cnt (diff) | |
| download | kernel-qcow2-linux-77c722dde9975361051c5530475f8f92ed67a506.tar.gz kernel-qcow2-linux-77c722dde9975361051c5530475f8f92ed67a506.tar.xz kernel-qcow2-linux-77c722dde9975361051c5530475f8f92ed67a506.zip | |
UBI: bugfix: dont oops with NULL module parameter
E.g., it oopsed in case of: modprobe ubi mtd = 0
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
| -rw-r--r-- | drivers/mtd/ubi/build.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index 9b94427be145..b85ca186afc6 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c @@ -845,6 +845,9 @@ static int __init ubi_mtd_param_parse(const char *val, struct kernel_param *kp) char *pbuf = &buf[0]; char *tokens[3] = {NULL, NULL, NULL}; + if (!val) + return -EINVAL; + if (mtd_devs == UBI_MAX_DEVICES) { printk("UBI error: too many parameters, max. is %d\n", UBI_MAX_DEVICES); |