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authorPaolo Bonzini <pbonzini@redhat.com>2022-09-23 10:06:08 -0400
committerPaolo Bonzini <pbonzini@redhat.com>2022-09-23 10:06:08 -0400
commit69604fe76e58c9d195e48b41d019b07fc27ce9d7 (patch)
treec9d1e7cfe406a8f168c3aceaf989eea0275d3045 /drivers/base/driver.c
parent50b2d49bafa16e6311ab2da82f5aafc5f9ada99b (diff)
parent189e7d876e48d7c791fe1c9c01516f70f5621a9f (diff)
Merge tag 'kvm-s390-master-6.0-2' of https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD
More pci fixes Fix for a code analyser warning
Diffstat (limited to 'drivers/base/driver.c')
-rw-r--r--drivers/base/driver.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index 15a75afe6b84..676b6275d5b5 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -63,6 +63,12 @@ int driver_set_override(struct device *dev, const char **override,
if (len >= (PAGE_SIZE - 1))
return -EINVAL;
+ /*
+ * Compute the real length of the string in case userspace sends us a
+ * bunch of \0 characters like python likes to do.
+ */
+ len = strlen(s);
+
if (!len) {
/* Empty string passed - clear override */
device_lock(dev);