[PATCH 3/3] pcmcia: m32r_pcc: check return from add_pcc_socket

From: Sudip Mukherjee
Date: Sun Sep 18 2016 - 18:22:10 EST


If request_irq() fails it passes the error to the caller. The caller
now checks it and jumps to the common error path on failure.

Signed-off-by: Sudip Mukherjee <sudip.mukherjee@xxxxxxxxxxxxxxx>
---
drivers/pcmcia/m32r_pcc.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/pcmcia/m32r_pcc.c b/drivers/pcmcia/m32r_pcc.c
index 56bf388..e50bbf8 100644
--- a/drivers/pcmcia/m32r_pcc.c
+++ b/drivers/pcmcia/m32r_pcc.c
@@ -696,10 +696,16 @@ static int __init init_m32r_pcc(void)

pcc_sockets = 0;

- add_pcc_socket(M32R_PCC0_BASE, PCC0_IRQ, M32R_PCC0_MAPBASE, 0x1000);
+ ret = add_pcc_socket(M32R_PCC0_BASE, PCC0_IRQ, M32R_PCC0_MAPBASE,
+ 0x1000);
+ if (ret)
+ goto unreg_dev;

#ifdef CONFIG_M32RPCC_SLOT2
- add_pcc_socket(M32R_PCC1_BASE, PCC1_IRQ, M32R_PCC1_MAPBASE, 0x2000);
+ ret = add_pcc_socket(M32R_PCC1_BASE, PCC1_IRQ, M32R_PCC1_MAPBASE,
+ 0x2000);
+ if (ret)
+ goto unreg_dev;
#endif

if (pcc_sockets == 0) {
--
1.9.1