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Diffstat (limited to 'arch/um/drivers/random.c')
| -rw-r--r-- | arch/um/drivers/random.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/um/drivers/random.c b/arch/um/drivers/random.c index ae9909415b9..73b2bdd6d2d 100644 --- a/arch/um/drivers/random.c +++ b/arch/um/drivers/random.c @@ -20,6 +20,10 @@ #define RNG_MISCDEV_MINOR 183 /* official */ +/* Changed at init time, in the non-modular case, and at module load + * time, in the module case. Presumably, the module subsystem + * protects against a module being loaded twice at the same time. + */ static int random_fd = -1; static int rng_dev_open (struct inode *inode, struct file *filp) |