On Thu, Mar 16, 2023 at 05:56:02PM +0500, Khadija Kamran wrote: > Module parameter, read_timeout, can only be set at the loading time. As > it can only be modified once, initialize read_timeout once in the probe > function. > > As a result, only use read_timeout as the last argument in > wait_event_interruptible_timeout() call. > > Convert datatpe of read_timeout from 'int' to 'long int' because > implicit conversion of 'long int' to 'int' in statement 'read_timeout = > MAX_SCHEDULE_TIMEOUT' results in an overflow warning. > > Perform same steps formodule parameter, write_timeout. > > Suggested-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > Signed-off-by: Khadija Kamran <kamrankhadijadj@xxxxxxxxx> > --- I do not think you built this version as I get the following build errors when I apply it and build: In file included from ./include/linux/kernel.h:29, from drivers/staging/axis-fifo/axis-fifo.c:17: drivers/staging/axis-fifo/axis-fifo.c: In function ‘axis_fifo_init’: ./include/linux/kern_levels.h:5:25: error: format ‘%i’ expects argument of type ‘int’, but argument 2 has type ‘long int’ [-Werror=format=] 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ ./include/linux/printk.h:427:25: note: in definition of macro ‘printk_index_wrap’ 427 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~ ./include/linux/printk.h:528:9: note: in expansion of macro ‘printk’ 528 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ ./include/linux/kern_levels.h:14:25: note: in expansion of macro ‘KERN_SOH’ 14 | #define KERN_INFO KERN_SOH "6" /* informational */ | ^~~~~~~~ ./include/linux/printk.h:528:16: note: in expansion of macro ‘KERN_INFO’ 528 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~ drivers/staging/axis-fifo/axis-fifo.c:957:9: note: in expansion of macro ‘pr_info’ 957 | pr_info("axis-fifo driver loaded with parameters read_timeout = %i, write_timeout = %i\n", | ^~~~~~~ ./include/linux/kern_levels.h:5:25: error: format ‘%i’ expects argument of type ‘int’, but argument 3 has type ‘long int’ [-Werror=format=] 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ ./include/linux/printk.h:427:25: note: in definition of macro ‘printk_index_wrap’ 427 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~ ./include/linux/printk.h:528:9: note: in expansion of macro ‘printk’ 528 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ ./include/linux/kern_levels.h:14:25: note: in expansion of macro ‘KERN_SOH’ 14 | #define KERN_INFO KERN_SOH "6" /* informational */ | ^~~~~~~~ ./include/linux/printk.h:528:16: note: in expansion of macro ‘KERN_INFO’ 528 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~ drivers/staging/axis-fifo/axis-fifo.c:957:9: note: in expansion of macro ‘pr_info’ 957 | pr_info("axis-fifo driver loaded with parameters read_timeout = %i, write_timeout = %i\n", | ^~~~~~~ cc1: all warnings being treated as errors Please always test-build your patches. thanks, greg k-h