[PATCH] symversion warning fix

gcc-4.2: kernel/module.c: In function '__find_symbol': kernel/module.c:158: warning: the address of '__start___kcrctab', will always evaluate as 'true' kernel/module.c:165: warning: the address of '__start___kcrctab_gpl', will always evaluate as 'true' kernel/module.c:182: warning: the address of '__start___kcrctab_gpl_future', will always evaluate as 'true' Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>

[PATCH] symversion warning fix
gcc-4.2: kernel/module.c: In function '__find_symbol': kernel/module.c:158: warning: the address of '__start___kcrctab', will always evaluate as 'true' kernel/module.c:165: warning: the address of '__start___kcrctab_gpl', will always evaluate as 'true' kernel/module.c:182: warning: the address of '__start___kcrctab_gpl_future', will always evaluate as 'true' Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Andrew Morton · Linus Torvalds
1 parent 6d9eac3410
Showing 1 changed file with 1 additions and 1 deletions Side-by-side Diff
kernel/module.c
@@ -127,7 +127,7 @@
 #ifndef CONFIG_MODVERSIONS
 #define symversion(base, idx) NULL
 #else
-#define symversion(base, idx) ((base) ? ((base) + (idx)) : NULL)
+#define symversion(base, idx) ((base != NULL) ? ((base) + (idx)) : NULL)
 #endif
  
 /* lookup symbol in given range of kernel_symbols */
...	...	@@ -127,7 +127,7 @@
127	127	#ifndef CONFIG_MODVERSIONS
128	128	#define symversion(base, idx) NULL
129	129	#else
130		-#define symversion(base, idx) ((base) ? ((base) + (idx)) : NULL)
	130	+#define symversion(base, idx) ((base != NULL) ? ((base) + (idx)) : NULL)
131	131	#endif
132	132
133	133	/* lookup symbol in given range of kernel_symbols */