[PATCH] [RESEND] usb: gadget: Remove the LUN checks which arealways true

From: Maxin B John
Date: Sun May 08 2011 - 08:56:28 EST


Comparing an unsigned integer with greater than or equal to zero is
always true. So, it is safe to remove similar checks from
'f_mass_storage.c' and 'file_storage.c'


Signed-off-by: Maxin B. John <maxin.john@xxxxxxxxx>
Acked-by: Michal Nazarewicz <mina86@xxxxxxxxxx>
Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
---
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index 6d8e533..cade79e 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -1910,7 +1910,7 @@ static int check_command(struct fsg_common *common, int cmnd_size,
common->lun, lun);

/* Check the LUN */
- if (common->lun >= 0 && common->lun < common->nluns) {
+ if (common->lun < common->nluns) {
curlun = &common->luns[common->lun];
common->curlun = curlun;
if (common->cmnd[0] != REQUEST_SENSE) {
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index a6eacb5..a9c5177 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -2314,7 +2314,7 @@ static int check_command(struct fsg_dev *fsg, int cmnd_size,
fsg->lun = lun; // Use LUN from the command

/* Check the LUN */
- if (fsg->lun >= 0 && fsg->lun < fsg->nluns) {
+ if (fsg->lun < fsg->nluns) {
fsg->curlun = curlun = &fsg->luns[fsg->lun];
if (fsg->cmnd[0] != REQUEST_SENSE) {
curlun->sense_data = SS_NO_SENSE;
--
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