PTR_RET is used by the solo6x10 staging driver,
and was introduced in kernel 2.6.39.
Add it to compat.h for compatibility with older kernels.

Signed-off-by: Gianluca Gennari <gennar...@gmail.com>
---
 v4l/compat.h                      | 10 ++++++++++
 v4l/scripts/make_config_compat.pl |  1 +
 2 files changed, 11 insertions(+)

diff --git a/v4l/compat.h b/v4l/compat.h
index 1a82bb7..b27b178 100644
--- a/v4l/compat.h
+++ b/v4l/compat.h
@@ -1137,4 +1137,14 @@ static inline int usb_translate_errors(int error_code)
 }
 #endif
 
+#ifdef NEED_PTR_RET
+static inline int __must_check PTR_RET(const void *ptr)
+{
+       if (IS_ERR(ptr))
+               return PTR_ERR(ptr);
+       else
+               return 0;
+}
+#endif
+
 #endif /*  _COMPAT_H */
diff --git a/v4l/scripts/make_config_compat.pl 
b/v4l/scripts/make_config_compat.pl
index 583ef9d..51a1f5d 100644
--- a/v4l/scripts/make_config_compat.pl
+++ b/v4l/scripts/make_config_compat.pl
@@ -588,6 +588,7 @@ sub check_other_dependencies()
        check_files_for_func("config_enabled", "NEED_IS_ENABLED", 
"include/linux/kconfig.h");
        check_files_for_func("DEFINE_PCI_DEVICE_TABLE", 
"NEED_DEFINE_PCI_DEVICE_TABLE", "include/linux/pci.h");
        check_files_for_func("usb_translate_errors", 
"NEED_USB_TRANSLATE_ERRORS", "include/linux/usb.h");
+       check_files_for_func("PTR_RET", "NEED_PTR_RET", "include/linux/err.h");
 
        # For tests for uapi-dependent logic
        check_files_for_func_uapi("usb_endpoint_maxp", 
"NEED_USB_ENDPOINT_MAXP", "usb/ch9.h");
-- 
1.8.1.1

--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to