diff options
| author | Ingo Molnar <mingo@kernel.org> | 2015-08-18 09:39:47 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-08-18 09:39:47 +0200 |
| commit | a5dd19249607474ed680f16b4f5e8477d2b68689 (patch) | |
| tree | 1aeeef053773c07bc02f3aa637febc80ceb96732 /drivers/usb/gadget/function/f_printer.c | |
| parent | 6b7e26547fad7ace3dcb27a5babd2317fb9d1e12 (diff) | |
| parent | 512255a2ad2c832ca7d4de9f31245f73781922d0 (diff) | |
| download | lwn-a5dd19249607474ed680f16b4f5e8477d2b68689.tar.gz lwn-a5dd19249607474ed680f16b4f5e8477d2b68689.zip | |
Merge branch 'x86/urgent' into x86/asm to fix up conflicts and to pick up fixes
Conflicts:
arch/x86/entry/entry_64_compat.S
arch/x86/math-emu/get_address.c
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/usb/gadget/function/f_printer.c')
| -rw-r--r-- | drivers/usb/gadget/function/f_printer.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/usb/gadget/function/f_printer.c b/drivers/usb/gadget/function/f_printer.c index 44173df27273..357f63f47b42 100644 --- a/drivers/usb/gadget/function/f_printer.c +++ b/drivers/usb/gadget/function/f_printer.c @@ -1248,7 +1248,15 @@ static struct config_item_type printer_func_type = { static inline int gprinter_get_minor(void) { - return ida_simple_get(&printer_ida, 0, 0, GFP_KERNEL); + int ret; + + ret = ida_simple_get(&printer_ida, 0, 0, GFP_KERNEL); + if (ret >= PRINTER_MINORS) { + ida_simple_remove(&printer_ida, ret); + ret = -ENODEV; + } + + return ret; } static inline void gprinter_put_minor(int minor) |