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staging: keucr: check kmalloc() return value

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kmalloc() may fail, if so return error code.

Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Vasiliy Kulikov 2010-09-19 11:36:23 +04:00 committed by Greg Kroah-Hartman
parent 83ef41f085
commit b1f5f54e91
3 changed files with 10 additions and 0 deletions
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2
drivers/staging/keucr/init.c
View file

@ -300,6 +300,8 @@ int ENE_LoadBinCode(struct us_data *us, BYTE flag)
return USB_STOR_TRANSPORT_GOOD;
buf = kmalloc(0x800, GFP_KERNEL);
if (buf == NULL)
return USB_STOR_TRANSPORT_ERROR;
switch ( flag )
{
// For SD

4
drivers/staging/keucr/msscsi.c
View file

@ -168,6 +168,8 @@ int MS_SCSI_Read(struct us_data *us, struct scsi_cmnd *srb)
DWORD blkno;
buf = kmalloc(blenByte, GFP_KERNEL);
if (buf == NULL)
return USB_STOR_TRANSPORT_ERROR;
result = ENE_LoadBinCode(us, MS_RW_PATTERN);
if (result != USB_STOR_XFER_GOOD)
@ -271,6 +273,8 @@ int MS_SCSI_Write(struct us_data *us, struct scsi_cmnd *srb)
WORD len, oldphy, newphy;
buf = kmalloc(blenByte, GFP_KERNEL);
if (buf == NULL)
return USB_STOR_TRANSPORT_ERROR;
usb_stor_set_xfer_buf(us, buf, blenByte, srb, FROM_XFER_BUF);
result = ENE_LoadBinCode(us, MS_RW_PATTERN);

4
drivers/staging/keucr/smscsi.c
View file

@ -145,6 +145,8 @@ int SM_SCSI_Read(struct us_data *us, struct scsi_cmnd *srb)
return USB_STOR_TRANSPORT_ERROR;
buf = kmalloc(blenByte, GFP_KERNEL);
if (buf == NULL)
return USB_STOR_TRANSPORT_ERROR;
result = Media_D_ReadSector(us, bn, blen, buf);
usb_stor_set_xfer_buf(us, buf, blenByte, srb, TO_XFER_BUF);
kfree(buf);
@ -175,6 +177,8 @@ int SM_SCSI_Write(struct us_data *us, struct scsi_cmnd *srb)
return USB_STOR_TRANSPORT_ERROR;
buf = kmalloc(blenByte, GFP_KERNEL);
if (buf == NULL)
return USB_STOR_TRANSPORT_ERROR;
usb_stor_set_xfer_buf(us, buf, blenByte, srb, FROM_XFER_BUF);
result = Media_D_CopySector(us, bn, blen, buf);
kfree(buf);