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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-18 06:31:43 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-18 06:31:43 -0700 |
commit | 0a95d92c0054e74fb79607ac2df958b7bf295706 (patch) | |
tree | e2c5f836e799dcfd72904949be47595af91432e7 /drivers/tty/serial | |
parent | 08351fc6a75731226e1112fc7254542bd3a2912e (diff) | |
parent | 831532035b12a5f7b600515a6f4da0b207b82d6e (diff) | |
download | linux-0a95d92c0054e74fb79607ac2df958b7bf295706.tar.gz linux-0a95d92c0054e74fb79607ac2df958b7bf295706.tar.bz2 linux-0a95d92c0054e74fb79607ac2df958b7bf295706.zip |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (62 commits)
powerpc/85xx: Fix signedness bug in cache-sram
powerpc/fsl: 85xx: document cache sram bindings
powerpc/fsl: define binding for fsl mpic interrupt controllers
powerpc/fsl_msi: Handle msi-available-ranges better
drivers/serial/ucc_uart.c: Add of_node_put to avoid memory leak
powerpc/85xx: Fix SPE float to integer conversion failure
powerpc/85xx: Update sata controller compatible for p1022ds board
ATA: Add FSL sata v2 controller support
powerpc/mpc8xxx_gpio: simplify searching for 'fsl, qoriq-gpio' compatiable
powerpc/8xx: remove obsolete mgsuvd board
powerpc/82xx: rename and update mgcoge board support
powerpc/83xx: rename and update kmeter1
powerpc/85xx: Workaroudn e500 CPU erratum A005
powerpc/fsl_pci: Add support for FSL PCIe controllers v2.x
powerpc/85xx: Fix writing to spin table 'cpu-release-addr' on ppc64e
powerpc/pseries: Disable MSI using new interface if possible
powerpc: Enable GENERIC_HARDIRQS_NO_DEPRECATED.
powerpc: core irq_data conversion.
powerpc: sysdev/xilinx_intc irq_data conversion.
powerpc: sysdev/uic irq_data conversion.
...
Fix up conflicts in arch/powerpc/sysdev/fsl_msi.c (due to getting rid of
of_platform_driver in arch/powerpc)
Diffstat (limited to 'drivers/tty/serial')
-rw-r--r-- | drivers/tty/serial/ucc_uart.c | 67 |
1 files changed, 35 insertions, 32 deletions
diff --git a/drivers/tty/serial/ucc_uart.c b/drivers/tty/serial/ucc_uart.c index ff51dae1df0c..c327218cad44 100644 --- a/drivers/tty/serial/ucc_uart.c +++ b/drivers/tty/serial/ucc_uart.c @@ -1269,13 +1269,12 @@ static int ucc_uart_probe(struct platform_device *ofdev) ret = of_address_to_resource(np, 0, &res); if (ret) { dev_err(&ofdev->dev, "missing 'reg' property in device tree\n"); - kfree(qe_port); - return ret; + goto out_free; } if (!res.start) { dev_err(&ofdev->dev, "invalid 'reg' property in device tree\n"); - kfree(qe_port); - return -EINVAL; + ret = -EINVAL; + goto out_free; } qe_port->port.mapbase = res.start; @@ -1285,17 +1284,17 @@ static int ucc_uart_probe(struct platform_device *ofdev) if (!iprop) { iprop = of_get_property(np, "device-id", NULL); if (!iprop) { - kfree(qe_port); dev_err(&ofdev->dev, "UCC is unspecified in " "device tree\n"); - return -EINVAL; + ret = -EINVAL; + goto out_free; } } if ((*iprop < 1) || (*iprop > UCC_MAX_NUM)) { dev_err(&ofdev->dev, "no support for UCC%u\n", *iprop); - kfree(qe_port); - return -ENODEV; + ret = -ENODEV; + goto out_free; } qe_port->ucc_num = *iprop - 1; @@ -1309,16 +1308,16 @@ static int ucc_uart_probe(struct platform_device *ofdev) sprop = of_get_property(np, "rx-clock-name", NULL); if (!sprop) { dev_err(&ofdev->dev, "missing rx-clock-name in device tree\n"); - kfree(qe_port); - return -ENODEV; + ret = -ENODEV; + goto out_free; } qe_port->us_info.rx_clock = qe_clock_source(sprop); if ((qe_port->us_info.rx_clock < QE_BRG1) || (qe_port->us_info.rx_clock > QE_BRG16)) { dev_err(&ofdev->dev, "rx-clock-name must be a BRG for UART\n"); - kfree(qe_port); - return -ENODEV; + ret = -ENODEV; + goto out_free; } #ifdef LOOPBACK @@ -1328,39 +1327,39 @@ static int ucc_uart_probe(struct platform_device *ofdev) sprop = of_get_property(np, "tx-clock-name", NULL); if (!sprop) { dev_err(&ofdev->dev, "missing tx-clock-name in device tree\n"); - kfree(qe_port); - return -ENODEV; + ret = -ENODEV; + goto out_free; } qe_port->us_info.tx_clock = qe_clock_source(sprop); #endif if ((qe_port->us_info.tx_clock < QE_BRG1) || (qe_port->us_info.tx_clock > QE_BRG16)) { dev_err(&ofdev->dev, "tx-clock-name must be a BRG for UART\n"); - kfree(qe_port); - return -ENODEV; + ret = -ENODEV; + goto out_free; } /* Get the port number, numbered 0-3 */ iprop = of_get_property(np, "port-number", NULL); if (!iprop) { dev_err(&ofdev->dev, "missing port-number in device tree\n"); - kfree(qe_port); - return -EINVAL; + ret = -EINVAL; + goto out_free; } qe_port->port.line = *iprop; if (qe_port->port.line >= UCC_MAX_UART) { dev_err(&ofdev->dev, "port-number must be 0-%u\n", UCC_MAX_UART - 1); - kfree(qe_port); - return -EINVAL; + ret = -EINVAL; + goto out_free; } qe_port->port.irq = irq_of_parse_and_map(np, 0); if (qe_port->port.irq == NO_IRQ) { dev_err(&ofdev->dev, "could not map IRQ for UCC%u\n", qe_port->ucc_num + 1); - kfree(qe_port); - return -EINVAL; + ret = -EINVAL; + goto out_free; } /* @@ -1372,8 +1371,8 @@ static int ucc_uart_probe(struct platform_device *ofdev) np = of_find_node_by_type(NULL, "qe"); if (!np) { dev_err(&ofdev->dev, "could not find 'qe' node\n"); - kfree(qe_port); - return -EINVAL; + ret = -EINVAL; + goto out_free; } } @@ -1381,8 +1380,8 @@ static int ucc_uart_probe(struct platform_device *ofdev) if (!iprop) { dev_err(&ofdev->dev, "missing brg-frequency in device tree\n"); - kfree(qe_port); - return -EINVAL; + ret = -EINVAL; + goto out_np; } if (*iprop) @@ -1397,16 +1396,16 @@ static int ucc_uart_probe(struct platform_device *ofdev) if (!iprop) { dev_err(&ofdev->dev, "missing QE bus-frequency in device tree\n"); - kfree(qe_port); - return -EINVAL; + ret = -EINVAL; + goto out_np; } if (*iprop) qe_port->port.uartclk = *iprop / 2; else { dev_err(&ofdev->dev, "invalid QE bus-frequency in device tree\n"); - kfree(qe_port); - return -EINVAL; + ret = -EINVAL; + goto out_np; } } @@ -1444,8 +1443,7 @@ static int ucc_uart_probe(struct platform_device *ofdev) if (ret) { dev_err(&ofdev->dev, "could not add /dev/ttyQE%u\n", qe_port->port.line); - kfree(qe_port); - return ret; + goto out_np; } dev_set_drvdata(&ofdev->dev, qe_port); @@ -1459,6 +1457,11 @@ static int ucc_uart_probe(struct platform_device *ofdev) SERIAL_QE_MINOR + qe_port->port.line); return 0; +out_np: + of_node_put(np); +out_free: + kfree(qe_port); + return ret; } static int ucc_uart_remove(struct platform_device *ofdev) |