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bna: fix error handling

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Several functions can return negative value in case of error,
so their return type should be fixed as well as type of variables
to which this value is assigned.

The problem has been detected using proposed semantic patch
scripts/coccinelle/tests/assign_signed_to_unsigned.cocci [1].

[1]: http://permalink.gmane.org/gmane.linux.kernel/2046107

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andrzej Hajda 2015-09-28 10:49:48 +02:00 committed by David S. Miller
parent 3504bb639e
commit 4c52b1da53
1 changed files with 7 additions and 6 deletions
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13
drivers/net/ethernet/brocade/bna/bfa_ioc.c
View file

@ -1543,7 +1543,7 @@ bfa_flash_cmd_act_check(void __iomem *pci_bar)
}
/* Flush FLI data fifo. */
static u32
static int
bfa_flash_fifo_flush(void __iomem *pci_bar)
{
u32 i;
@ -1573,11 +1573,11 @@ bfa_flash_fifo_flush(void __iomem *pci_bar)
}
/* Read flash status. */
static u32
static int
bfa_flash_status_read(void __iomem *pci_bar)
{
union bfa_flash_dev_status_reg dev_status;
u32 status;
int status;
u32 ret_status;
int i;
@ -1611,11 +1611,11 @@ bfa_flash_status_read(void __iomem *pci_bar)
}
/* Start flash read operation. */
static u32
static int
bfa_flash_read_start(void __iomem *pci_bar, u32 offset, u32 len,
char *buf)
{
u32 status;
int status;
/* len must be mutiple of 4 and not exceeding fifo size */
if (len == 0 || len > BFA_FLASH_FIFO_SIZE || (len & 0x03) != 0)
@ -1703,7 +1703,8 @@ static enum bfa_status
bfa_flash_raw_read(void __iomem *pci_bar, u32 offset, char *buf,
u32 len)
{
u32 n, status;
u32 n;
int status;
u32 off, l, s, residue, fifo_sz;
residue = len;